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/bl/.travis.yml

@@ -0,0 +1,17 @@
+sudo: false
+arch:
+ - amd64
+ - ppc64le
+language: node_js
+node_js:
+  - '6'
+  - '8'
+  - '10'
+  - '12'
+  - '14'
+  - '15'
+  - lts/*
+notifications:
+  email:
+    - rod@vagg.org
+    - matteo.collina@gmail.com