[FEATURE] Try to ignore .git folder changes

[pbek]

It would be great to better ignore changes of files in the .git folder inside note folders.

[pbek]

25.3.5

• The ignoring of changes of files in the .git folder inside note folders has
  been improved (for #3247)
  • This should result in lesser reloading of the note folder with the message
    Notes directory was modified externally when editing notes with enabled git support