Updates existing test selectors and assertions to work with the new split
button UI pattern:
- Admin/RecordSources_spec.ts: Update button selectors
- ERM tests (Agreements, Licenses, Packages, Titles, Dialog): Update form save expectations
- InfiniteScrollSelect_spec.ts: Update interaction patterns
- Preservation/Trains.ts: Update save button selectors
Signed-off-by: Martin Renvoize <martin.renvoize@openfifth.co.uk>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
8a1dd87c70