Forms builder - Fork a form

[bkamapantula]

Is your feature request related to a problem? Please describe. This is related to and a sub-feature of #324.

Describe the solution you'd like User should be able to:

• [ ] fork a form
• [ ] this form should be visible in the gallery
• [ ] retain a reference to source form in its and source form's metadata

Describe alternatives you've considered NA

Additional context NA