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/util-stream/dist-es/blob/Uint8ArrayBlobAdapter.js

@@ -0,0 +1,23 @@
+import { fromBase64, toBase64 } from "@smithy/util-base64";
+import { fromUtf8, toUtf8 } from "@smithy/util-utf8";
+export class Uint8ArrayBlobAdapter extends Uint8Array {
+    static fromString(source, encoding = "utf-8") {
+        if (typeof source === "string") {
+            if (encoding === "base64") {
+                return Uint8ArrayBlobAdapter.mutate(fromBase64(source));
+            }
+            return Uint8ArrayBlobAdapter.mutate(fromUtf8(source));
+        }
+        throw new Error(`Unsupported conversion from ${typeof source} to Uint8ArrayBlobAdapter.`);
+    }
+    static mutate(source) {
+        Object.setPrototypeOf(source, Uint8ArrayBlobAdapter.prototype);
+        return source;
+    }
+    transformToString(encoding = "utf-8") {
+        if (encoding === "base64") {
+            return toBase64(this);
+        }
+        return toUtf8(this);
+    }
+}