feat: add warning message when grant beta tester

Author: diana-villalvazo-wgu

src/enrollments/components/UpdateBetaTesterModal.tsx

@@ -26,6 +26,7 @@ const UpdateBetaTesterModal = ({ learner, isOpen, onClose }: UpdateBetaTesterMod
     }, {
       onSuccess: (data) => {
         const failedUsernames = data.results?.filter(user => user.userDoesNotExist).map(user => user.identifier) || [];
+        const inactiveUsernames = data.results?.filter(user => !user.isActive && user.isActive !== null && !user.userDoesNotExist).map(user => user.identifier) || [];
         if (failedUsernames.length > 0) {
           addAlert({
             type: 'danger',
@@ -37,6 +38,17 @@ const UpdateBetaTesterModal = ({ learner, isOpen, onClose }: UpdateBetaTesterMod
             )
           });
         }
+        if (inactiveUsernames.length > 0) {
+          addAlert({
+            type: 'warning',
+            message: intl.formatMessage(messages.inactiveUsers),
+            extraContent: (
+              inactiveUsernames.map((learner: string) => (
+                <p key={learner} className="mb-0">• {intl.formatMessage(messages.inactiveLearner, { learner })}</p>
+              ))
+            )
+          });
+        }
       },
       onError: () => {
         showModal({