feat: delete workflow erro handling

Author: ritvikmahajan17

src/components/workflowEditor/workflowEditor.tsx

@@ -206,6 +206,14 @@ class WorkflowEdit extends Component<WorkflowEditProps, WorkflowEditState> {
     deleteWorkflow = (appId?: string, workflowId?: number) => {
         deleteWorkflow(appId || this.props.match.params.appId, workflowId || this.state.workflowId)
             .then((response) => {
+
+                if(response.errors){
+                    const {errors} = response
+                    const {userMessage} = errors[0]
+                    toast.error(userMessage)
+                    return
+                }
+
                 if (response.status.toLowerCase() === 'ok') {
                     this.setState({ showDeleteDialog: false })
                     toast.success('Workflow Deleted')