fix(editor): Canvas showing error toast when clicking outside of "import workflow by url" modal (#9001)

packages/editor-ui/src/components/MainHeader/WorkflowDetails.vue

@@ -587,6 +587,10 @@ export default defineComponent({
 							},
 						)) as MessageBoxInputData;
 
+						if (promptResponse === 'cancel') {
+							return;
+						}
+
 						nodeViewEventBus.emit('importWorkflowUrl', { url: promptResponse.value });
 					} catch (e) {}
 					break;