Fix issue 1505 from Symfony Demo

symfony/demo#1505

…= target

…en source == target (nicolas-grekas)

This PR was merged into the 5.4 branch.

Discussion
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[Translation] Skip state=needs-translation entries only when source == target

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Fix #54541
| License       | MIT

Commits
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155d23f9c9 [Translation] Skip state=needs-translation entries only when source == target

* 5.4:
  explicitly mark nullable parameters as nullable
  fix low deps tests
  [HttpKernel] Fix datacollector caster for reference object property
  bug #51578 [Cache] always select database for persistent redis connections
  [Security] Validate that CSRF token in form login is string similar to username/password
  [validator] validated Dutch translation
  Improve dutch translations
  [Translation] Skip state=needs-translation entries only when source == target
  [HttpKernel] Ensure controllers are not lazy
  [Validator] Fill in trans-unit id 113: This URL does not contain a TLD.
  [Validator] added missing Polish translation for unit 113
  [Validator] add missing lv translation
  [HttpClient] Let curl handle transfer encoding
  [Messenger] Make Doctrine connection ignore unrelated tables on setup
  [HttpFoundation] Set content-type header in RedirectResponse
  add translations for the requireTld constraint option message
  [Serializer] Fix unexpected allowed attributes
  [FrameworkBundle] Fix registration of the bundle path to translation

* 5.4:
  Auto-close PRs on subtree-splits
  review German translation

This reverts commit 2c9352dd91ebaf37b8a3e3c26fd8e1306df2fb73, reversing
changes made to 18c3e87f1512be2cc50e90235b144b13bc347258.

* 5.4:
  Revert "minor #54653 Auto-close PRs on subtree-splits (nicolas-grekas)"

* 5.4:
  [Console][PhpUnitBridge][VarDumper] Fix `NO_COLOR` empty value handling
  [Translation] Fix CSV escape char in `CsvFileLoader` on PHP >= 7.4
  [DoctrineBridge] fix messenger bus dispatch inside an active transaction
  [HttpFoundation] Add tests for uncovered sections
  treat uninitialized properties referenced by property paths as null
  properly set up constraint options
  [ErrorHandler][VarDumper] Remove PHP 8.4 deprecations
  [Core] Fix & Enhance security arabic translation.

Not passing the $escape parameter is deprecated since PHP 8.4 as the
default value will change in the future.

* 5.4:
  pass CSV escape characters explicitly
  move setting deprecation session options into a legacy group test

* 5.4:
  Add PR template and auto-close PR on subtree split repositories