Update "last saved at" label after all types of submissions, not only autosaves

app/assets/javascripts/editor/submissions.js.erb

@@ -75,6 +75,8 @@ CodeOceanEditorSubmissions = {
     }
     // toggle button states (it might be the case that the request for comments button has to be enabled
     this.toggleButtonStates();
+
+    this.updateSaveStateLabel();
   },
 
   /**
@@ -200,12 +202,15 @@ CodeOceanEditorSubmissions = {
     }
   },
 
-  autosave: function () {
+  updateSaveStateLabel: function() {
     var date = new Date();
     var autosaveLabel = $(this.autosaveLabel);
     autosaveLabel.parent().css("visibility", "visible");
     autosaveLabel.text(date.getHours() + ':' + date.getMinutes() + ':' + date.getSeconds());
     autosaveLabel.text(date.toLocaleTimeString());
+  },
+
+  autosave: function () {
     this.autosaveTimer = null;
     this.createSubmission($('#autosave'), null);
   }