[fix-10632][ui] fix the workflow name with underline cannot be displayed correctly error. (#10636)

- add workflow name span padding-bottom css style to fix this error

This closes #10632
Co-authored-by: Njiangkang <jiangkang@cmss.chinamobile.com>

dolphinscheduler-ui/src/views/projects/workflow/definition/index.module.scss

@@ -111,6 +111,9 @@
       .n-button,
       .n-button__content {
         width: 100%;
+        span {
+          padding-bottom: 1px;
+        }
       }
     }
   }