fix metadata copy

operators/operators.py

@@ -71,8 +71,12 @@ class VSETB_OT_copy_metadata(Operator):
     def execute(self, context):
         prefs = get_addon_prefs()
         settings = get_scene_settings()
+        project = settings.active_project
+
+        metadata = next(k for k, v in project.metadata_types.items() if v.name == self.metadata)
+
+        print('VSETB_OT_copy_metadata', self.metadata, metadata)
 
-        metadata = self.metadata.lower()
 
         active_strip = context.active_sequence_strip
         metadata_value = getattr(active_strip.vsetb_strip_settings.metadata, metadata)
@@ -85,6 +89,7 @@ class VSETB_OT_copy_metadata(Operator):
 
         return {"FINISHED"}
 
+
 class VSETB_OT_export_spreadsheet(Operator):
     bl_idname = "vse_toolbox.export_spreadsheet"
     bl_label = "Export Spreadsheet"