Add undo button to playbook editing #11922
Description
Use case
As an anlayst, I want to be able to undo my last change in the playbook, such as when I create a beautiful multi-branch, 30-node playbook, and then accidentally click delete instead of update on the node at the top and wipe out an hours' work.
Current Workaround
Breathe deeply, walkaround the block, start again, work late,
Proposed Solution
Press CTRL-Z to step back to the previous playbook config.
Additional Information
:~(
If the feature request is approved, would you be willing to submit a PR?
Yes / No (Help can be provided if you need assistance submitting a PR)