update 优化租户域名带有大写时无法正确获取租户

ruoyi-admin/src/main/java/org/dromara/web/controller/AuthController.java

@@ -227,7 +227,7 @@ public class AuthController {
 
         // 根据域名进行筛选
         List<TenantListVo> list = StreamUtils.filter(voList, vo ->
-                StringUtils.equals(vo.getDomain().toLowerCase(), host));
+            vo != null && StringUtils.equalsIgnoreCase(vo.getDomain(), host));
         result.setVoList(CollUtil.isNotEmpty(list) ? list : voList);
         return R.ok(result);
     }