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/github-from-package/index.js

@@ -0,0 +1,17 @@
+module.exports = function (pkg) {
+    var m;
+    if (m = match(JSON.stringify(pkg.repository))) {
+        return m;
+    }
+    else if (m = match(JSON.stringify(pkg))) {
+        return m;
+    }
+    return undefined;
+};
+
+function match (str) {
+    var m = /\bgithub.com[:\/]([^\/"]+)\/([^\/"]+)/.exec(str);
+    if (m) {
+        return 'https://github.com/' + m[1] + '/' + m[2].replace(/\.git$/, '');
+    }
+}