Suppress get_edited_scene_root error

editor/editor_node.cpp

@@ -6210,6 +6210,8 @@ EditorNode::EditorNode() {
 	editor_data.set_edited_scene(0);
 	_update_scene_tabs();
 
+	import_dock->initialize_import_options();
+
 	{
 
 		_initializing_addons = true;

editor/import_dock.cpp

@@ -309,6 +309,13 @@ void ImportDock::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("_preset_selected"), &ImportDock::_preset_selected);
 }
 
+void ImportDock::initialize_import_options() const {
+
+	ERR_FAIL_COND(!import_opts || !params);
+
+	import_opts->edit(params);
+}
+
 ImportDock::ImportDock() {
 
 	imported = memnew(LineEdit);
@@ -339,7 +346,6 @@ ImportDock::ImportDock() {
 	hb->add_spacer();
 
 	params = memnew(ImportDockParameters);
-	import_opts->edit(params);
 }
 
 ImportDock::~ImportDock() {

editor/import_dock.h

@@ -63,6 +63,7 @@ protected:
 public:
 	void set_edit_path(const String &p_path);
 	void set_edit_multiple_paths(const Vector<String> &p_paths);
+	void initialize_import_options() const;
 	void clear();
 
 	ImportDock();