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/@isaacs/cliui/index.mjs

@@ -0,0 +1,14 @@
+// Bootstrap cliui with ESM dependencies:
+import { cliui } from './build/lib/index.js'
+
+import stringWidth from 'string-width'
+import stripAnsi from 'strip-ansi'
+import wrap from 'wrap-ansi'
+
+export default function ui (opts) {
+  return cliui(opts, {
+    stringWidth,
+    stripAnsi,
+    wrap
+  })
+}