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/file-uri-to-path/History.md

@@ -0,0 +1,21 @@
+
+1.0.0 / 2017-07-06
+==================
+
+  * update "mocha" to v3
+  * fixed unicode URI decoding (#6)
+  * add typings for Typescript
+  * README: use SVG Travis-CI badge
+  * add LICENSE file (MIT)
+  * add .travis.yml file (testing Node.js 0.8 through 8 currently)
+  * add README.md file
+
+0.0.2 / 2014-01-27
+==================
+
+  * index: invert the path separators on Windows
+
+0.0.1 / 2014-01-27
+==================
+
+  * initial commit