Bug 38829: Sanitize GetLateOrMissingIssues inputs

Signed-off-by: Magnus Enger <magnus@libriotech.no>
The new test fails without this patch, and passes
when it is applied.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: wainuiwitikapark <wainuiwitikapark@catalyst.net.nz>

C4/Serials.pm

@@ -1875,6 +1875,8 @@ sub GetLateOrMissingIssues {
     my ( $supplierid, $serialid, $order ) = @_;
 
     return unless ( $supplierid or $serialid );
+    return if defined $supplierid && !looks_like_number($supplierid);
+    return if defined $serialid   && !looks_like_number($serialid);
 
     my $dbh = C4::Context->dbh;