[Feat]: Ability to Copy Modals

[KrzysztofKiser]

Is your feature request related to a problem? Please describe.
It is possible to copy components, but since modals don't appear on the grid, it seems there is no way to copy them

Describe the solution you'd like
A possibility to copy modals (from the left hierarchy tree)

Describe alternatives you've considered
No alternatives available, except rebuilding the modal manually

Additional context
N/A