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/log.js

@@ -0,0 +1,33 @@
+const levels = {
+  silent: 0,
+  error: 1,
+  warn: 2,
+  notice: 3,
+  http: 4,
+  timing: 5,
+  info: 6,
+  verbose: 7,
+  silly: 8
+}
+
+module.exports = function (rc, env) {
+  const level = rc.verbose
+    ? 'verbose'
+    : env.npm_config_loglevel || 'notice'
+
+  const logAtLevel = function (messageLevel) {
+    return function (...args) {
+      if (levels[messageLevel] <= levels[level]) {
+        console.error(`prebuild-install ${messageLevel} ${args.join(' ')}`)
+      }
+    }
+  }
+
+  return {
+    error: logAtLevel('error'),
+    warn: logAtLevel('warn'),
+    http: logAtLevel('http'),
+    info: logAtLevel('info'),
+    level
+  }
+}