fixes #2470

fixes #112

fixes #2720

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