Fix few icons in SpatialEditor which don't update when theme changed

editor/plugins/spatial_editor_plugin.cpp

@@ -5298,6 +5298,10 @@ void SpatialEditor::_notification(int p_what) {
 		tool_button[SpatialEditor::TOOL_MODE_ROTATE]->set_icon(get_icon("ToolRotate", "EditorIcons"));
 		tool_button[SpatialEditor::TOOL_MODE_SCALE]->set_icon(get_icon("ToolScale", "EditorIcons"));
 		tool_button[SpatialEditor::TOOL_MODE_LIST_SELECT]->set_icon(get_icon("ListSelect", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_LOCK_SELECTED]->set_icon(get_icon("Lock", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_UNLOCK_SELECTED]->set_icon(get_icon("Unlock", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_GROUP_SELECTED]->set_icon(get_icon("Group", "EditorIcons"));
+		tool_button[SpatialEditor::TOOL_UNGROUP_SELECTED]->set_icon(get_icon("Ungroup", "EditorIcons"));
 
 		tool_option_button[SpatialEditor::TOOL_OPT_LOCAL_COORDS]->set_icon(get_icon("Object", "EditorIcons"));
 		tool_option_button[SpatialEditor::TOOL_OPT_USE_SNAP]->set_icon(get_icon("Snap", "EditorIcons"));