fix layers pop menu in compact mode

js/kiri-init.js

@@ -139,6 +139,10 @@ var gs_kiri_init = exports;
                 API.dialog.hide();
                 // cancel slicing
                 if (KIRI.work.isSlicing()) KIRI.work.restart();
+                // kill any poppers in compact mode
+                UC.hidePoppers();
+                // hide layers menu
+                UI.layers.style.display = 'none';
                 break;
         }
         return false;

js/moto-ui.js

@@ -111,9 +111,11 @@ var gs_moto_ui = exports;
         }
     }
 
+    // at present only used by the layers popup menu
     function setGroup(div) {
         addTo = lastDiv = div;
         groupName = undefined;
+        lastGroup = [];
         return div;
     }