✨ Add /workflows/demo route (#2745)

* ⚡ added /workflows/demo route

* ⚡ suggested improvements

* ⚡ added n8n version in postmessage

* ⚡ updated zoom menu styling

* ⚡ updated component padding for zoomToFit

* ⚡ suggested improvements

* ⚡ moved getFixedNodeList to canvasHelpers

* 📝 removed unused import and rebased from master

packages/editor-ui/src/components/DataDisplay.vue

@@ -96,6 +96,9 @@ export default mixins(externalHooks, nodeHelpers, workflowHelpers).extend({
 				this.$externalHooks().run('dataDisplay.nodeTypeChanged', { nodeSubtitle: this.getNodeSubtitle(node, this.nodeType, this.getWorkflow()) });
 				this.$telemetry.track('User opened node modal', { node_type: this.nodeType ? this.nodeType.name : '', workflow_id: this.$store.getters.workflowId });
 			}
+			if (window.top) {
+				window.top.postMessage(JSON.stringify({command: (node? 'openNDV': 'closeNDV')}), '*');
+			}
 		},
 	},
 	methods: {