fix(editor): Fix copy/paste issue when switch node is in workflow (#8103)

## Summary
Fix bug where copy/pasting a node breaks the view. Issue seems to be
that copied workflow does not have Switch node when workflow is
rerendering..

<img width="1942" alt="Screenshot 2023-12-19 at 18 16 23"
src="https://github.com/n8n-io/n8n/assets/4711238/ad53b8ae-3693-4733-8f6b-7bc9e7b9d216">




## Related tickets and issues
[Linear ticket
ADO-1504](https://linear.app/n8n/issue/ADO-1504/unwanted-nodes-connections-after-copypaste-of-n8n-form-trigger)


## Review / Merge checklist
- [X] PR title and summary are descriptive. **Remember, the title
automatically goes into the changelog. Use `(no-changelog)` otherwise.**
([conventions](https://github.com/n8n-io/n8n/blob/master/.github/pull_request_title_conventions.md))
- [ ] [Docs updated](https://github.com/n8n-io/n8n-docs) or follow-up
ticket created.
- [x] Tests included.
> A bug is not considered fixed, unless a test is added to prevent it
from happening again.
   > A feature is not complete without tests.

cypress/fixtures/Test_workflow_form_switch.json

@@ -0,0 +1,78 @@
+{
+  "name": "My workflow 8",
+  "nodes": [
+    {
+      "parameters": {
+        "path": "d1cba915-ca18-4425-bcfb-133205fc815a",
+        "formTitle": "test",
+        "formFields": {
+          "values": [
+            {
+              "fieldLabel": "test"
+            }
+          ]
+        },
+        "options": {}
+      },
+      "id": "9e685367-fb94-4376-a9a4-7f311d9f7e2d",
+      "name": "n8n Form Trigger",
+      "type": "n8n-nodes-base.formTrigger",
+      "typeVersion": 2,
+      "position": [
+        620,
+        580
+      ],
+      "webhookId": "d1cba915-ca18-4425-bcfb-133205fc815a"
+    },
+    {
+      "parameters": {},
+      "id": "0f4dfe66-51c0-4378-9eab-680f8140a572",
+      "name": "Switch",
+      "type": "n8n-nodes-base.switch",
+      "typeVersion": 2,
+      "position": [
+        800,
+        580
+      ]
+    }
+  ],
+  "pinData": {
+    "n8n Form Trigger": [
+      {
+        "json": {
+          "name": "First item",
+          "code": 1
+        }
+      },
+      {
+        "json": {
+          "name": "Second item",
+          "code": 2
+        }
+      }
+    ]
+  },
+  "connections": {
+    "n8n Form Trigger": {
+      "main": [
+        [
+          {
+            "node": "Switch",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    }
+  },
+  "active": false,
+  "settings": {
+    "executionOrder": "v1"
+  },
+  "versionId": "d6c14bc8-a69f-47bb-b5ba-fe6e9db0a3a4",
+  "id": "UQSimcMQJGbTeTLG",
+  "meta": {
+    "instanceId": "a786b722078489c1fa382391a9f3476c2784761624deb2dfb4634827256d51a0"
+  },
+  "tags": []
+}