display error alert for users who had DOD ID conflict when accepting workspace invitation

atst/models/workspace_role.py

@@ -57,6 +57,10 @@ class WorkspaceRole(Base, mixins.TimestampsMixin, mixins.AuditableMixin):
         else:
             return "Unknown errors"
 
+    @property
+    def has_dod_id_error(self):
+        return self.latest_invitation and self.latest_invitation.is_rejected_wrong_user
+
 
 Index(
     "workspace_role_user_workspace",

atst/models/workspace_user.py

@@ -37,6 +37,10 @@ class WorkspaceUser(object):
     def status(self):
         return self.workspace_role.display_status
 
+    @property
+    def has_dod_id_error(self):
+        return self.workspace_role.has_dod_id_error
+
     @property
     def num_environment_roles(self):
         return (