♻️ refactor(server): 调整数据库初始化逻辑

- 将数据源初始化调用移至条件判断之前，确保始终执行
- 优化代码结构，提升可读性和维护性

packages/server/src/index.ts

@@ -11,8 +11,9 @@ import { databaseBackup } from './utils/backup'
 import { UserEntity, Role } from '@d8d/user-module'
 import { File } from '@d8d/file-module'
 
+initializeDataSource([UserEntity, Role, File])
+
 if(!AppDataSource || !AppDataSource.isInitialized) {
-  initializeDataSource([UserEntity, Role, File])
   await AppDataSource.initialize();
   console.log('数据库初始化完成')