Set `open_dominant_script_on_scene_change` to off by default

editor/plugins/script_editor_plugin.cpp

@@ -4354,7 +4354,7 @@ ScriptEditorPlugin::ScriptEditorPlugin() {
 
 	EDITOR_GET("text_editor/behavior/files/auto_reload_scripts_on_external_change");
 	ScriptServer::set_reload_scripts_on_save(EDITOR_DEF("text_editor/behavior/files/auto_reload_and_parse_scripts_on_save", true));
-	EDITOR_DEF("text_editor/behavior/files/open_dominant_script_on_scene_change", true);
+	EDITOR_DEF("text_editor/behavior/files/open_dominant_script_on_scene_change", false);
 	EDITOR_DEF("text_editor/external/use_external_editor", false);
 	EDITOR_DEF("text_editor/external/exec_path", "");
 	EDITOR_DEF("text_editor/script_list/script_temperature_enabled", true);