fix: 修复配额说明重复和undefined问题

- 在editStorageForm中初始化oss_storage_quota_value和oss_quota_unit
- 删除重复的旧配额说明块，保留新的当前配额设置显示

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/node_modules/@smithy/abort-controller/dist-es/AbortController.js

@@ -0,0 +1,7 @@
+import { AbortSignal } from "./AbortSignal";
+export class AbortController {
+    signal = new AbortSignal();
+    abort() {
+        this.signal.abort();
+    }
+}

backend/node_modules/@smithy/abort-controller/dist-es/AbortSignal.js

@@ -0,0 +1,20 @@
+export class AbortSignal {
+    onabort = null;
+    _aborted = false;
+    constructor() {
+        Object.defineProperty(this, "_aborted", {
+            value: false,
+            writable: true,
+        });
+    }
+    get aborted() {
+        return this._aborted;
+    }
+    abort() {
+        this._aborted = true;
+        if (this.onabort) {
+            this.onabort(this);
+            this.onabort = null;
+        }
+    }
+}

backend/node_modules/@smithy/abort-controller/dist-es/index.js

@@ -0,0 +1,2 @@
+export * from "./AbortController";
+export * from "./AbortSignal";