Andrey Antukh a39b9766db 🐛 Guard blur-selection entity against stale text selections
Skip the PENPOT_SELECTION stamp when the selection is collapsed
or points at blocks that no longer exist: blurring the editor
rebuilds the EditorState with fresh block keys while a delayed
on-change still carries the old keys, which crashed Draft.js
reading getCharacterList of undefined and killed the workspace.

Harden the sibling helpers (removeBlurSelectionEntity,
cursorToEnd, select-all/end builders) the same way and add a
vitest suite to the draft-js package covering stale, empty,
and collapsed selections.

Closes #11667

AI-assisted-by: muse-spark-1.3-contributor
2026-10-19 15:40:13 +02:00
..
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