mobile: changed "undo new cell"-icon in "new cell helper"

partials/GridEditor.vue

@@ -22,7 +22,7 @@
           | Touch anywhere to place the new cell.
         q-item-side
           q-btn.bg-transparent.text-white.on-right(@click.native="$store.commit('mosys/cacheNewCell', undefined)", round, flat)
-            q-icon(name="clear")
+            q-icon(name="delete")
 
     // ------------------------------------------------------------------------------------------------------------ grid
       @click="event => {addMobileCell(event)}",
@@ -413,8 +413,10 @@
         // this.handleCellEditClick(event, annotation)
       },
       handleCellTouch (event, annotation) {
-        console.log(event, annotation)
-        this.mobileSelectedCell = annotation
+        if (!this.cachedNewCell) {
+          console.log(event, annotation)
+          this.mobileSelectedCell = annotation
+        }
       },
       async mobileCellMove (annotation, _x, _y) {
         let