♻️ refactor(stock): adjust import path for stock training codes schema

- update import path from entity file to dedicated schema file for better code organization
- maintain type safety with CreateStockXunlianCodesDto and UpdateStockXunlianCodesDto

src/server/api/stock-xunlian-codes/index.ts

@@ -1,6 +1,6 @@
 import { createCrudRoutes } from '@/server/utils/generic-crud.routes';
 import { StockXunlianCodes } from '@/server/modules/stock/stock-xunlian-codes.entity';
-import { StockXunlianCodesSchema, CreateStockXunlianCodesDto, UpdateStockXunlianCodesDto } from '@/server/modules/stock/stock-xunlian-codes.entity';
+import { StockXunlianCodesSchema, CreateStockXunlianCodesDto, UpdateStockXunlianCodesDto } from '@/server/modules/stock/stock-xunlian-codes.schema';
 import { authMiddleware } from '@/server/middleware/auth.middleware';
 
 const stockXunlianCodesRoutes = createCrudRoutes({