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/prebuild-install/error.js

@@ -0,0 +1,14 @@
+exports.noPrebuilts = function (opts) {
+  return new Error([
+    'No prebuilt binaries found',
+    '(target=' + opts.target,
+    'runtime=' + opts.runtime,
+    'arch=' + opts.arch,
+    'libc=' + opts.libc,
+    'platform=' + opts.platform + ')'
+  ].join(' '))
+}
+
+exports.invalidArchive = function () {
+  return new Error('Missing .node file in archive')
+}