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/better-sqlite3/deps/copy.js

@@ -0,0 +1,31 @@
+'use strict';
+const path = require('path');
+const fs = require('fs');
+
+const dest = process.argv[2];
+const source = path.resolve(path.sep, process.argv[3] || path.join(__dirname, 'sqlite3'));
+const files = [
+	{ filename: 'sqlite3.c', optional: false },
+	{ filename: 'sqlite3.h', optional: false },
+];
+
+if (process.argv[3]) {
+	// Support "_HAVE_SQLITE_CONFIG_H" in custom builds.
+	files.push({ filename: 'config.h', optional: true });
+} else {
+	// Required for some tests.
+	files.push({ filename: 'sqlite3ext.h', optional: false });
+}
+
+for (const { filename, optional } of files) {
+	const sourceFilepath = path.join(source, filename);
+	const destFilepath = path.join(dest, filename);
+
+	if (optional && !fs.existsSync(sourceFilepath)) {
+		continue;
+	}
+
+	fs.accessSync(sourceFilepath);
+	fs.mkdirSync(path.dirname(destFilepath), { recursive: true });
+	fs.copyFileSync(sourceFilepath, destFilepath);
+}