Merge pull request #90536 from Rindbee/make-the-inherited-scene-root-…

…node-unable-to-change-type

Make the inherited scene root node unable to change type

editor/scene_tree_dock.cpp

@@ -2079,17 +2079,19 @@ bool SceneTreeDock::_validate_no_foreign() {
 			return false;
 		}
 
-		// When edited_scene inherits from another one the root Node will be the parent Scene,
-		// we don't want to consider that Node a foreign one otherwise we would not be able to
-		// delete it.
-		if (edited_scene->get_scene_inherited_state().is_valid() && edited_scene == E) {
-			continue;
-		}
+		if (edited_scene->get_scene_inherited_state().is_valid()) {
+			// When edited_scene inherits from another one the root Node will be the parent Scene,
+			// we don't want to consider that Node a foreign one otherwise we would not be able to
+			// delete it.
+			if (edited_scene == E && current_option != TOOL_REPLACE) {
+				continue;
+			}
 
-		if (edited_scene->get_scene_inherited_state().is_valid() && edited_scene->get_scene_inherited_state()->find_node_by_path(edited_scene->get_path_to(E)) >= 0) {
-			accept->set_text(TTR("Can't operate on nodes the current scene inherits from!"));
-			accept->popup_centered();
-			return false;
+			if (edited_scene == E || edited_scene->get_scene_inherited_state()->find_node_by_path(edited_scene->get_path_to(E)) >= 0) {
+				accept->set_text(TTR("Can't operate on nodes the current scene inherits from!"));
+				accept->popup_centered();
+				return false;
+			}
 		}
 	}
 
@@ -3443,6 +3445,13 @@ void SceneTreeDock::_tree_rmb(const Vector2 &p_menu_pos) {
 				can_replace = false;
 				break;
 			}
+
+			if (edited_scene->get_scene_inherited_state().is_valid()) {
+				if (E == edited_scene || edited_scene->get_scene_inherited_state()->find_node_by_path(edited_scene->get_path_to(E)) >= 0) {
+					can_replace = false;
+					break;
+				}
+			}
 		}
 
 		if (can_replace) {