Send2UE Request for Instance Collection support

[PORTALSURFER]

Send2UE Request for Instance collection support

• Addon: Send2UE
• Workflow:
  This would be useful for Static Meshes specifically, making organization of assets cleaner and easier to handle.
  Especially quick when combined with Addons like 'Quick Instance'

You would then use these instance collections just like meshes, placing them inside of the 'Mesh' collection, and export.
The export tool would detect the instance collections, and do what it needs to do to prepare the assets for export, combining the meshes if so desired, and using the instance collection center as pivot point, etc.

• Description:
  For this to work we need a new detection system which will find instance collections inside of the 'Mesh' collection.
  And then unwrap said instance collection to get to the mesh data and prepare it for export.
  Also we need to find the instance collection center and ensure it will be used for exporting.
  The naming for the exported fbx would likely mirror the instance collection naming.