fix(gui): skip delete key and toggle options list only if char key pressed

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nc-gui/components/cell/MultiSelect.vue

@@ -175,11 +175,15 @@ useSelectedCellKeyupListener(active, (e) => {
     case 'ArrowDown':
     case 'ArrowRight':
     case 'ArrowLeft':
+    case 'Delete':
       // skip
       break
     default:
+      // toggle only if char key pressed
+      if (e.key?.length === 1) {
         e.stopPropagation()
         isOpen.value = true
+      }
       break
   }
 })