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/shebang-regex/index.d.ts

@@ -0,0 +1,22 @@
+/**
+Regular expression for matching a [shebang](https://en.wikipedia.org/wiki/Shebang_(Unix)) line.
+
+@example
+```
+import shebangRegex = require('shebang-regex');
+
+const string = '#!/usr/bin/env node\nconsole.log("unicorns");';
+
+shebangRegex.test(string);
+//=> true
+
+shebangRegex.exec(string)[0];
+//=> '#!/usr/bin/env node'
+
+shebangRegex.exec(string)[1];
+//=> '/usr/bin/env node'
+```
+*/
+declare const shebangRegex: RegExp;
+
+export = shebangRegex;