🪙 feat: Sync Balance Config on Login (#6671)

* chore: Add deprecation warnings for environment variables in checks

* chore: Change deprecatedVariables to a const declaration in checks.js

* fix: Add date validation in checkBalanceRecord to prevent invalid date errors

* feat: Add setBalanceConfig middleware to synchronize user balance settings

* chore: Reorder middleware imports in oauth.js for better readability

api/server/routes/auth.js

@@ -23,6 +23,7 @@ const {
   checkInviteUser,
   registerLimiter,
   requireLdapAuth,
+  setBalanceConfig,
   requireLocalAuth,
   resetPasswordLimiter,
   validateRegistration,
@@ -40,6 +41,7 @@ router.post(
   loginLimiter,
   checkBan,
   ldapAuth ? requireLdapAuth : requireLocalAuth,
+  setBalanceConfig,
   loginController,
 );
 router.post('/refresh', refreshController);