Replace JSON.parse(JSON.stringify()) with lodash-es cloneDeep for deep cloning Vue reactive data (S7784)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/views/Files/FilesPage.vue

@@ -482,6 +482,7 @@ import {
   reallyDeleteInformation,
 } from "@/module/alertModal.js";
 import { escapeHtml } from "@/utils/escapeHtml.js";
+import { cloneDeep } from "lodash-es";
 
 const router = useRouter();
 
@@ -586,7 +587,7 @@ const isCompareDisabledButton = computed(() => {
 const reallyDeleteData = computed(() => {
   let result = [];
   if (store.allFiles.length !== 0) {
-    result = JSON.parse(JSON.stringify(store.allFiles));
+    result = cloneDeep(store.allFiles);
     result = result.filter((file) => file.is_deleted === true);
   }
   return result;
@@ -602,7 +603,7 @@ watch(filesTag, (newValue) => {
 
 watch(allFiles, (newValue) => {
   if (newValue !== null)
-    compareData.value = JSON.parse(JSON.stringify(newValue));
+    compareData.value = cloneDeep(newValue);
 });
 
 watch(