test: Add more data mapping tests (#5389)

* test: Add more data mapping tests

* test: add tests for preview mapping

* test: update wording

* test: add more tests

* test: fix up prev node test

* test: stop popup

* test: add mapping test for paths

* test: revert back param changes

* test: fix mapping tests

* test: reset db

* test: fix up mapping tests

* test: fix up mapping tests

* test: update tests to be more stable

* chore: clean up unused command

* fix: fix up before unload bug

* fix: fix data transformation tests

* test: fix up flaky webhook tests

* test: fix up flaky webhook tests

* test: fix up flaky dt tests

cypress/fixtures/Test_workflow_3.json

@@ -0,0 +1,121 @@
+{
+	"name": "My workflow",
+	"nodes": [
+		{
+			"parameters": {
+				"rule": {
+					"interval": [
+						{}
+					]
+				}
+			},
+			"id": "0f7d87ee-19c6-4576-bdff-1f3c4739392c",
+			"name": "Schedule Trigger",
+			"type": "n8n-nodes-base.scheduleTrigger",
+			"typeVersion": 1,
+			"position": [
+				720,
+				300
+			]
+		},
+		{
+			"parameters": {
+				"values": {
+					"string": [
+						{
+							"name": "other",
+							"value": ""
+						}
+					]
+				},
+				"options": {}
+			},
+			"id": "2dfc690a-95cf-48c2-85a6-2b3bb8cd1d1d",
+			"name": "Set",
+			"type": "n8n-nodes-base.set",
+			"typeVersion": 1,
+			"position": [
+				920,
+				300
+			]
+		},
+		{
+			"id": "9bee04af-1bfc-4be2-a704-e975cb887ced",
+			"name": "Set1",
+			"type": "n8n-nodes-base.set",
+			"typeVersion": 1,
+			"position": [
+				1120,
+				300
+			],
+			"parameters": {
+				"values": {
+					"string": [
+						{
+							"name": "other",
+							"value": ""
+						}
+					]
+				},
+				"options": {}
+			}
+		}
+	],
+	"pinData": {
+		"Schedule Trigger": [
+			{
+				"json": {
+					"input": [
+						{
+							"count": 0,
+							"with space": "!!",
+							"with.dot": "!!",
+							"with\"quotes": "!!"
+						}
+					]
+				}
+			},
+			{
+				"json": {
+					"input": [
+						{
+							"count": 1
+						}
+					]
+				}
+			}
+		]
+	},
+	"connections": {
+		"Schedule Trigger": {
+			"main": [
+				[
+					{
+						"node": "Set",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		},
+		"Set": {
+			"main": [
+				[
+					{
+						"node": "Set1",
+						"type": "main",
+						"index": 0
+					}
+				]
+			]
+		}
+	},
+	"active": false,
+	"settings": {},
+	"versionId": "c26af749-dacb-45ef-8071-98aba8688075",
+	"id": "1",
+	"meta": {
+		"instanceId": "fe45a93dd232270eb40d3ba1f7907ad3935bbd72ad5e4ee09ff61e96674f9aef"
+	},
+	"tags": []
+}