RANGER-4653: Add inline assertions for displayName length in service creation / update form

Signed-off-by: Mehul Parikh <mehul@apache.org>
diff --git a/security-admin/src/main/webapp/react-webapp/src/views/ServiceManager/ServiceForm.jsx b/security-admin/src/main/webapp/react-webapp/src/views/ServiceManager/ServiceForm.jsx
index abb9895..99808da 100644
--- a/security-admin/src/main/webapp/react-webapp/src/views/ServiceManager/ServiceForm.jsx
+++ b/security-admin/src/main/webapp/react-webapp/src/views/ServiceManager/ServiceForm.jsx
@@ -1100,7 +1100,10 @@
                               </Row>
                             )}
                           </Field>
-                          <Field name="displayName">
+                          <Field
+                          name="displayName"
+                          validate={this.composeValidators(
+                            this.validateServiceName)}>
                             {({ input, meta }) => (
                               <Row className="form-group">
                                 <Col xs={3}>