feat: docking handling + window removal

[iMeaNz]

Objective

With the new WindowRegistry class we should be able to dock windows upon registration (it will be useful when creating new editor scenes for example)
We also should be able to remove a window if necessary

Acceptance Criteria

• 1. Add a way to dock a window to another upon creation
• 2. Add a way to remove a window
• 3.
  ...

Dependencies

No response

Technical Details

No response

Type

Editor