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/shebang-command/index.js

@@ -0,0 +1,19 @@
+'use strict';
+const shebangRegex = require('shebang-regex');
+
+module.exports = (string = '') => {
+	const match = string.match(shebangRegex);
+
+	if (!match) {
+		return null;
+	}
+
+	const [path, argument] = match[0].replace(/#! ?/, '').split(' ');
+	const binary = path.split('/').pop();
+
+	if (binary === 'env') {
+		return argument;
+	}
+
+	return argument ? `${binary} ${argument}` : binary;
+};