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/events/tests/legacy-compat.js

@@ -0,0 +1,16 @@
+// sigh... life is hard
+if (!global.console) {
+    console = {}
+}
+
+var fns = ['log', 'error', 'trace'];
+for (var i=0 ; i<fns.length ; ++i) {
+    var fn = fns[i];
+    if (!console[fn]) {
+        console[fn] = function() {};
+    }
+}
+
+if (!Array.isArray) {
+    Array.isArray = require('isarray');
+}