fixes #2720

extension tips

jolifanto bambla ô falli bambla - grossiga m’pfa habla horem - égiga goramen - higo bloiko russula huju - hollaka hollala - anlogo bung

This reverts commit 87610761.

fixes #2299

fixes #2309

to avoid spamming the user we remember what extension in what version trigger the status bar indication. that combination won't trigger again for 28dys

Fixes #2586: Both model content change event strategies should reach the same versionId; Do not guess composition case in textareaState if text contains new line

fixes #2305