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

2 files changed, 1 insertions, 26 deletions

diff --git a/release/scripts/startup/bl_operators/geometry_nodes.py b/release/scripts/startup/bl_operators/geometry_nodes.py
index f62fed79438..f435efc76fc 100644
--- a/release/scripts/startup/bl_operators/geometry_nodes.py
+++ b/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,
 )
diff --git a/release/scripts/startup/bl_ui/space_node.py b/release/scripts/startup/bl_ui/space_node.py
index 1a6e9f57e75..d7c6bf63423 100644
--- a/release/scripts/startup/bl_ui/space_node.py
+++ b/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: