Fusion - Loader plugins updates (#4920)

* Added get_bmd_library to acces BMD's internal python library

* Added the option to import image and online families. + black formatted

* Added workfile loader

To import the content of another workfile into your current comp

* Fixed wrong family and extension in workfile loader

* black formatting

* Added missing formats to fbx importer

Fusions fbx importer can import a bunch of different formats other then fbx (confusing I know but it's how it is)

* Update openpype/hosts/fusion/plugins/load/load_workfile.py

Co-authored-by: Roy Nieterau <roy_nieterau@hotmail.com>

---------

Co-authored-by: Roy Nieterau <roy_nieterau@hotmail.com>

openpype/hosts/fusion/api/__init__.py

@@ -13,6 +13,7 @@ from .lib import (
     update_frame_range,
     set_asset_framerange,
     get_current_comp,
+    get_bmd_library,
     comp_lock_and_undo_chunk
 )
 

openpype/hosts/fusion/api/lib.py

@@ -309,6 +309,12 @@ def get_fusion_module():
     return fusion
 
 
+def get_bmd_library():
+    """Get bmd library"""
+    bmd = getattr(sys.modules["__main__"], "bmd", None)
+    return bmd
+
+
 def get_current_comp():
     """Get current comp in this session"""
     fusion = get_fusion_module()