Resolve #3411185 "Return Document spellcheck updates"

Return Document spellcheck updates

The test failures don't makes sense to me. Trying a rebase

added 1470 commits

• 044021a7...4c8c814c - 1467 commits from branch project:11.x
• c9f99994 - Issue #3411185: docs for return values from various EntityDisplayRepositoryInterface() are unclear
• 10a4e069 - Added some docs for the return value.
• b8368065 - Spell check fixes

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added 776 commits

• c9f99994...501bbdbe - 775 commits from branch project:11.x
• 778d114b - Issue #3411185: docs for return values from various EntityDisplayRepositoryInterface() are unclear

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added 1 commit

• 573cc872 - Issue #3411185: Fix PHPCS violations by adjusting line lengths to conform with...

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closed