Scenario: "Copy Event" Button

[Archemagoi]

Is your feature request related to a problem? Please describe.
If you are making multi-staged scenario you just start copy-pasting, i think copy event button may be a great thing.

Describe the solution you'd like
creating a button at the header of event

Describe alternatives you've considered
creating a button to enabe or disable manage mode for deleting, moving and copying events.

Additional context