Make ckeditor_indentblock compatible with Drupal 10 and CKEditor 5

Enable the IndentBlock functionality included with CKEditor 5 core.

@todo: Implement per-format config to disable IndentBlock.

Closes #3338085

added 1 commit

• 0ba6d036 - Add the ability to enable/disable per text editor/format

Compare with previous version

added 3 commits

• 105d678b - Re-enable CKEditor 4 support
• 4a9f9be2 - Remove unused code
• eff597ca - Single quote strings

Compare with previous version

added 1 commit

• 17db31ab - Fix typo in schema label

Compare with previous version

added 5 commits

• 17db31ab...dbc07b67 - 4 commits from branch project:8.x-1.x
• f09f0258 - Merge remote-tracking branch 'origin/8.x-1.x' into 3338085-make-ckeditorindentblock-compatible

Compare with previous version

added 3 commits

• c85fae5b - Correct a typo
• e71f665c - Add requirements check for ckeditor5
• 5f47ceca - Tests should install ckeditor5

Compare with previous version

added 1 commit

• 33fc6c65 - Remove ckeditor5 requirement form composer.json

Compare with previous version

added 1 commit

• e8dc49e1 - Remove stray comma

Compare with previous version

resolved all threads

added 1 commit

• 70ab0168 - rebase

Compare with previous version

added 1 commit

• d478b48c - re-add testing for ck4

Compare with previous version

added 1 commit

• 628c8c9c - add parent call

Compare with previous version

merged