remove clear confirmation on loading new project (#4172)

* remove clear confirmation on loading new project

* remove clear after loading of project

* remove clear during load project

* clear during loading of project

* remove confirmation after loading project

Author: subhas-pramanik-09

js/activity.js

@@ -6613,7 +6613,7 @@ class Activity {
 
                                         that.stage.addEventListener("trashsignal", __listener, false);
                                         that.sendAllToTrash(false, false);
-                                        that._allClear(false);
+                                        that._allClear(false, true);
                                         if (that.planet) {
                                             that.planet.closePlanet();
                                             that.planet.initialiseNewProject(