Moving classes to separate listing broke panel order

Although this wasn't so obvious since it
only showed up for factory settings and in the preferences window.

Panel display order depends on registration order,
Sorry for the noise. On the bright side we no longer need to move
classes around to re-arrange panels.

release/scripts/startup/bl_ui/properties_data_mesh.py

@@ -393,20 +393,20 @@ class DATA_PT_custom_props_mesh(MeshButtonsPanel, PropertyPanel, Panel):
 
 
 classes = (
-    DATA_PT_context_mesh,
-    DATA_PT_custom_props_mesh,
-    DATA_PT_customdata,
-    DATA_PT_normals,
-    DATA_PT_shape_keys,
-    DATA_PT_texture_space,
-    DATA_PT_uv_texture,
-    DATA_PT_vertex_colors,
-    DATA_PT_vertex_groups,
-    MESH_MT_shape_key_specials,
     MESH_MT_vertex_group_specials,
+    MESH_MT_shape_key_specials,
+    MESH_UL_vgroups,
     MESH_UL_shape_keys,
     MESH_UL_uvmaps_vcols,
-    MESH_UL_vgroups,
+    DATA_PT_context_mesh,
+    DATA_PT_normals,
+    DATA_PT_texture_space,
+    DATA_PT_vertex_groups,
+    DATA_PT_shape_keys,
+    DATA_PT_uv_texture,
+    DATA_PT_vertex_colors,
+    DATA_PT_customdata,
+    DATA_PT_custom_props_mesh,
 )
 
 if __name__ == "__main__":  # only for live edit.