feat(项目管理功能完善): 完善开通组织工作台相关逻辑

1. 开通企业工作台后返回工作台访问地址
2. 检查是否开通企业工作台接口调整为：通过组织标识获取工作台访问地址

ruoyi-modules/ruoyi-pms/src/main/java/com/ruoyi/pms/enterprise/controller/PmsEnterpriseController.java

@@ -158,8 +158,8 @@ public class PmsEnterpriseController extends BaseController
      */
     @GetMapping("/{gitlinkOrgId}/workbenchUrl")
     @ApiOperation(value = "通过组织标识获取工作台访问地址（未开通返回null）")
-    public GenericsAjaxResult<Object> getWorkbenchUrl(
+    public GenericsAjaxResult<String> getWorkbenchUrl(
             @ApiParam(name = "gitlinkOrgId", value = "gitlink组织Id") @PathVariable Long gitlinkOrgId) {
-        return genericsSuccess((Object) pmsEnterpriseService.getWorkbenchUrl(gitlinkOrgId));
+        return genericsSuccess(pmsEnterpriseService.getWorkbenchUrl(gitlinkOrgId));
     }
 }