fix: #3618897 Keep element ids unique across attaches and release destroyed editors

Fixes #3618897.

Three robustness fixes on the repeated-attach path plus one metadata correction:

• js/formatter.js numbered its injected display element from the index of the current attach call; once() only returns containers new to that call, so the index restarted at 0 and a container added later (AJAX, BigPipe, form rebuild) reused an id already on the page. It now uses a page-wide counter.
• js/editor.js kept every editor in a module-level map and never removed the entry on detach; the destroyed editor is now dropped from the registry.
• ace_editor.info.yml declared ^10 while the code uses API available from Drupal 10.1 (str_contains()); it now declares ^10.1 || ^11 || ^12.

Verification

eslint PASS; local gate 68 tests / 214 assertions, phpcs, cspell, PHPStan clean. The formatter counter is monotonic by construction, so ids cannot repeat within a page.

Checkpoints:

• File an issue
• Addition/Change/Update/Fix
• Testing to ensure no regression
• Automated unit testing coverage
• Automated functional testing coverage
• UX/UI designer responsibilities
• Readability
• Accessibility
• Performance
• Security
• Developer Documentation
• User Guide Documentation
• Reviewed by human
• Code review by maintainers
• Full testing and approval
• Credit contributors
• Review with the product owner
• Release notes snippet
• Release

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