fix: Poll option placeholder not update after reorder

fix #109

Mastodon/Scene/Compose/ComposeViewController.swift

@@ -566,6 +566,7 @@ extension ComposeViewController {
             collectionView.updateInteractiveMovementTargetPosition(position)
         case .ended:
             collectionView.endInteractiveMovement()
+            collectionView.reloadData()
         default:
             collectionView.cancelInteractiveMovement()
         }