implement sh+Ins & sh+Del also in piano-roll

[musikBear]

sometimes i find myself with a piece of notes, and in then realize that in bar 5-8, the notes are not 'bad', but a 'part' is missing. So now all note past bar 5 has to be marked up and then manually moved, and i better not miss some, because that would be b a d ..
if the known and really useful behavior in song-editor, was adapted in piano-roll, this manual moving, could be replaced with easy sh+ins 'pushing' of everything to the right of playhead.
This would enhance the usage.
The obvious alternative is methods to select everything between the loop-markers
That will offer even more options!
What is simplest to implement?

[Umcaruje]

Please don't post duplicates of your own issues.

Duplicate of #1643

[musikBear]

😊 Ooooops sooory 😊
I should have remembered that, but diddent
😊