bug #40510 [Form] IntegerType: Always use en for IntegerToLocalizedStringTransformer (Warxcell)

This PR was merged into the 4.4 branch.

Discussion
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[Form] IntegerType: Always use en for IntegerToLocalizedStringTransformer

Fixes #40456

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #40456
| License       | MIT

Commits
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83b836db IntegerType: Always use en for IntegerToLocalizedStringTransformer Fixes #40456