test: Add e2e tests for node creator (#4714)

* test: Add basic e2e tests for node creator

* add spec to check if all nodes are rendered

* revert SearchBar.vue changes

* fixed manual key typo

Co-authored-by: Mutasem Aldmour <4711238+mutdmour@users.noreply.github.com>

* Add custom component tests

* Fix wrongly resolved merge conflcit

Co-authored-by: Mutasem Aldmour <4711238+mutdmour@users.noreply.github.com>

cypress/fixtures/Custom_node.json

@@ -0,0 +1,55 @@
+{
+  "properties": [{
+      "displayName": "Test property",
+      "name": "testProp",
+      "type": "string",
+      "required": true,
+      "noDataExpression": false,
+      "default": "Some default"
+    },
+    {
+      "displayName": "Resource",
+      "name": "resource",
+      "type": "options",
+      "noDataExpression": true,
+      "options": [{
+          "name": "option1",
+          "value": "option1"
+        },
+        {
+          "name": "option2",
+          "value": "option2"
+        },
+        {
+          "name": "option3",
+          "value": "option3"
+        },
+        {
+          "name": "option4",
+          "value": "option4"
+        }
+      ],
+      "default": "option2"
+    }
+  ],
+  "displayName": "E2E Node",
+  "name": "@e2e/n8n-nodes-e2e",
+  "group": [
+    "transform"
+  ],
+	"codex": {
+		"categories": ["CustomCategory"]
+	},
+  "version": 1,
+  "description": "Demonstrate rendering of node",
+  "defaults": {
+    "name": "E2E Node "
+  },
+  "inputs": [
+    "main"
+  ],
+  "outputs": [
+    "main"
+  ],
+  "icon": "fa:network-wired"
+}