fix: undo/redo broken when a group is selected (fix: #546)

jaltekruse commented 2 years ago

Please check if the PR fulfills these requirements

[x] It's submitted to right branch according to our branching model
I did deliberately put this on master, I assume it is a good candidate for "bug fix or document update for next patch release." as described in the contributing guidelines
[x] It's right issue type on title
[x] When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
I'm not sure if I should open a new issue, this is an improved fix for a previously reported issue, so there is already an issue and PR related to this that are both closed
[x] The commit message follows our guidelines
[ ] Tests for the changes have been added (for bug fixes/features)
happy to take recommendations here on how to write a test, not sure how to do that right now
[x] Docs have been added/updated (for bug fixes/features) - not needed
[x] It does not introduce a breaking change or has description for the breaking change no

Description

The original submitted fix for this issue didn't address the bug when the keyboard shortcut is used for undo or redo. This change works both for the buttons and for keyboard events.