Add and fix few messages in second plural form for pl, be, ru languages

Fixed missed "singular" message which had word "one" instead of "{count}" for uk and ru because it should be used not only for "1" but also for "21, 31, ...".

Add formula for 2/3 form for Russian (Plural-Forms:...)
and Belarusian and Ukrainian formulas normalized to be the same for all three languages

misc/translator/po/be-BY-messages.po

@@ -15,8 +15,7 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
-"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 "X-Pootle-Path: /be/21.05/be-BY-messages.po\n"
 "X-Pootle-Revision: 1\n"
 
@@ -29,9 +28,9 @@ msgstr ""
 #, perl-brace-format
 msgid "({age} year)"
 msgid_plural "({age} years)"
-msgstr[0] ""
-msgstr[1] ""
-msgstr[2] ""
+msgstr[0] "({age} год)"
+msgstr[1] "({age} гады)"
+msgstr[2] "({age} гадоў)"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt:48
 msgid ""

misc/translator/po/pl-PL-messages.po

@@ -31,9 +31,9 @@ msgstr "(szukane pole {field_name} z mapowaniem {marc_field}.)"
 #, perl-brace-format
 msgid "({age} year)"
 msgid_plural "({age} years)"
-msgstr[0] "({age} lata)"
-msgstr[1] "({age} lat)"
-msgstr[2] ""
+msgstr[0] "({age} rok)"
+msgstr[1] "({age} lata)"
+msgstr[2] "({age} lat)"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt:48
 msgid ""
@@ -164,7 +164,7 @@ msgid "There is one archived suggestion."
 msgid_plural "There are {count} archived suggestions."
 msgstr[0] "Jest jedna zarchiwizowana sugestia."
 msgstr[1] "Istnieje {count} zarchiwizowanych sugestii."
-msgstr[2] ""
+msgstr[2] "Istnieje {count} zarchiwizowanych sugestii."
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/tools/batchMod-del.tt:133
 #: koha-tmpl/intranet-tmpl/prog/en/modules/tools/batchMod-del.tt:275
@@ -229,7 +229,7 @@ msgid "{count} library limitation"
 msgid_plural "{count} library limitations"
 msgstr[0] "{count} ograniczenie biblioteczne"
 msgstr[1] "{count} ograniczenia biblioteczne"
-msgstr[2] ""
+msgstr[2] "{count} ograniczenia biblioteczne"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/batch_rm_items.tt:60
 #, perl-brace-format
@@ -237,4 +237,4 @@ msgid "{title} ({barcode}) was removed from {count} course."
 msgid_plural "{title} ({barcode}) was removed from {count} courses."
 msgstr[0] "{title} ({barcode}) został usunięty z kursu {count}."
 msgstr[1] "{title} ({barcode}) został usunięty z kursów {count}."
-msgstr[2] ""
+msgstr[2] "{title} ({barcode}) został usunięty z kursów {count}."

misc/translator/po/ru-RU-messages.po

@@ -10,6 +10,7 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 "X-Pootle-Path: /ru/21.05/ru-RU-messages.po\n"
 "X-Pootle-Revision: 1\n"
 
@@ -23,8 +24,8 @@ msgstr "(поле поиска {field_name} с сопоставлением {mar
 msgid "({age} year)"
 msgid_plural "({age} years)"
 msgstr[0] "({age} год)"
-msgstr[1] "({age} лет)"
-msgstr[2] ""
+msgstr[1] "({age} года)"
+msgstr[2] "({age} лет)"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/admin/searchengine/elasticsearch/mappings.tt:48
 msgid ""
@@ -153,9 +154,9 @@ msgstr "Заказ"
 msgctxt "pluralization"
 msgid "There is one archived suggestion."
 msgid_plural "There are {count} archived suggestions."
-msgstr[0] "Есть одно предложение в архиве."
-msgstr[1] "Есть {count} предложений в архиве."
-msgstr[2] ""
+msgstr[0] "Есть {count} предложение в архиве."
+msgstr[1] "Есть {count} предложения в архиве."
+msgstr[2] "Есть {count} предложений в архиве."
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/tools/batchMod-del.tt:133
 #: koha-tmpl/intranet-tmpl/prog/en/modules/tools/batchMod-del.tt:275
@@ -211,16 +212,16 @@ msgstr[1] "(просрочено)"
 msgid "{count} item"
 msgid_plural "{count} items"
 msgstr[0] "{count} экземпляр"
-msgstr[1] "{count} экземпляров"
-msgstr[2] ""
+msgstr[1] "{count} экземпляра"
+msgstr[2] "{count} экземпляров"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/admin/credit_types.tt:194
 #, perl-brace-format
 msgid "{count} library limitation"
 msgid_plural "{count} library limitations"
 msgstr[0] "{count} ограничение библиотеки"
-msgstr[1] "{count} ограничений библиотек"
-msgstr[2] ""
+msgstr[1] "{count} ограничения библиотек"
+msgstr[2] "{count} ограничений библиотек"
 
 #: koha-tmpl/intranet-tmpl/prog/en/modules/course_reserves/batch_rm_items.tt:60
 #, perl-brace-format
@@ -228,4 +229,4 @@ msgid "{title} ({barcode}) was removed from {count} course."
 msgid_plural "{title} ({barcode}) was removed from {count} courses."
 msgstr[0] "{title} ({barcode}) был удален из {count} курса."
 msgstr[1] "{title} ({barcode}) был удален из {count} курсов."
-msgstr[2] ""
+msgstr[2] "{title} ({barcode}) был удален из {count} курсов."

misc/translator/po/uk-UA-messages.po

@@ -11,8 +11,7 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n"
-"%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
+"Plural-Forms: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);\n"
 "X-Generator: Pootle 2.8\n"
 "X-POOTLE-MTIME: 1620902590.865392\n"
 "X-Pootle-Path: /uk/21.05/uk-UA-messages.po\n"
@@ -155,7 +154,7 @@ msgstr "Порядок"
 msgctxt "pluralization"
 msgid "There is one archived suggestion."
 msgid_plural "There are {count} archived suggestions."
-msgstr[0] "Є одна заархівована пропозиція."
+msgstr[0] "Є {count} заархівована пропозиція."
 msgstr[1] "Є {count} заархівовані пропозиції."
 msgstr[2] "Є {count} заархівованих пропозицій."