refactor(frontend): Vue 드래그 정렬 라이브러리를 교체

app/game-frontend/package.json

@@ -48,7 +48,7 @@
         "mitt": "^3.0.1",
         "pinia": "^3.0.4",
         "vue": "^3.5.26",
-        "vuedraggable-es": "4.1.1",
+        "vue-draggable-plus": "0.6.1",
         "vue-router": "^4.6.4",
         "zod": "^4.3.5"
     },