Fix T94559: Copying geometry node group does not copy animation data

Reimplement copy geometry node groups in C. The version implemented in
Python could also manually copy the animation data, but it's more
standard to do this with `BKE_id_copy_ex` and `LIB_ID_COPY_ACTIONS`.

Differential Revision: https://developer.blender.org/D14615

release/scripts/startup/bl_operators/geometry_nodes.py

@@ -83,32 +83,7 @@ class NewGeometryNodeTreeAssign(Operator):
         return {'FINISHED'}
 
 
-class CopyGeometryNodeTreeAssign(Operator):
-    """Copy the active geometry node group and assign it to the active modifier"""
-
-    bl_idname = "node.copy_geometry_node_group_assign"
-    bl_label = "Copy Geometry Node Group"
-    bl_options = {'REGISTER', 'UNDO'}
-
-    @classmethod
-    def poll(cls, context):
-        return geometry_modifier_poll(context)
-
-    def execute(self, context):
-        modifier = context.object.modifiers.active
-        if modifier is None:
-            return {'CANCELLED'}
-
-        group = modifier.node_group
-        if group is None:
-            return {'CANCELLED'}
-
-        modifier.node_group = group.copy()
-        return {'FINISHED'}
-
-
 classes = (
     NewGeometryNodesModifier,
     NewGeometryNodeTreeAssign,
-    CopyGeometryNodeTreeAssign,
 )

release/scripts/startup/bl_ui/space_node.py

@@ -149,7 +149,7 @@ class NODE_HT_header(Header):
                 active_modifier = ob.modifiers.active
                 if active_modifier and active_modifier.type == 'NODES':
                     if active_modifier.node_group:
-                        row.template_ID(active_modifier, "node_group", new="node.copy_geometry_node_group_assign")
+                        row.template_ID(active_modifier, "node_group", new="object.geometry_node_tree_copy_assign")
                     else:
                         row.template_ID(active_modifier, "node_group", new="node.new_geometry_node_group_assign")
                 else: