InfluxDB 2.0: The "Run.requestedAt" is filled even if a run wasn't start manually [area/api]

[bednar]

-> POST 
-> http://127.0.0.1:9999/api/v2/tasks
-> {
	"orgID": "039b91ad74036000",
	"status": "active",
	"flux": "option task = {name: \"it task1553864163934-IT\", every: 1s} \n from(bucket:\"my-bucket\") |> range(start: 0) |> last()"
}

-> GET
-> http://127.0.0.1:9999/api/v2/tasks/039e60b9c696b000/runs

<- 200 
<- OK
<- {
	"links": {
		"self": "/api/v2/tasks/039e60b9c696b000/runs",
		"task": "/api/v2/tasks/039e60b9c696b000"
	},
	"runs": [{
		"links": {
			"logs": "/api/v2/tasks/039e60b9c696b000/runs/039e60bbaad6b000/logs",
			"retry": "/api/v2/tasks/039e60b9c696b000/runs/039e60bbaad6b000/retry",
			"self": "/api/v2/tasks/039e60b9c696b000/runs/039e60bbaad6b000",
			"task": "/api/v2/tasks/039e60b9c696b000"
		},
		"id": "039e60bbaad6b000",
		"taskID": "039e60b9c696b000",
		"status": "success",
		"scheduledFor": "2019-03-29T12:56:06Z",
		"startedAt": "2019-03-29T12:56:06.063009Z",
		"finishedAt": "2019-03-29T12:56:06.114127Z",
		"requestedAt": "0001-01-01T00:00:00Z",
		"log": null
	}, {
		"links": {
			"logs": "/api/v2/tasks/039e60b9c696b000/runs/039e60bca4d6b000/logs",
			"retry": "/api/v2/tasks/039e60b9c696b000/runs/039e60bca4d6b000/retry",
			"self": "/api/v2/tasks/039e60b9c696b000/runs/039e60bca4d6b000",
			"task": "/api/v2/tasks/039e60b9c696b000"
		},
		"id": "039e60bca4d6b000",
		"taskID": "039e60b9c696b000",
		"status": "success",
		"scheduledFor": "2019-03-29T12:56:07Z",
		"startedAt": "2019-03-29T12:56:07.063331Z",
		"finishedAt": "2019-03-29T12:56:07.098491Z",
		"requestedAt": "0001-01-01T00:00:00Z",
		"log": null
	}, {
		"links": {
			"logs": "/api/v2/tasks/039e60b9c696b000/runs/039e60bd9ed6b000/logs",
			"retry": "/api/v2/tasks/039e60b9c696b000/runs/039e60bd9ed6b000/retry",
			"self": "/api/v2/tasks/039e60b9c696b000/runs/039e60bd9ed6b000",
			"task": "/api/v2/tasks/039e60b9c696b000"
		},
		"id": "039e60bd9ed6b000",
		"taskID": "039e60b9c696b000",
		"status": "success",
		"scheduledFor": "2019-03-29T12:56:08Z",
		"startedAt": "2019-03-29T12:56:08.065745Z",
		"finishedAt": "2019-03-29T12:56:08.129252Z",
		"requestedAt": "0001-01-01T00:00:00Z",
		"log": null
	}, {
		"links": {
			"logs": "/api/v2/tasks/039e60b9c696b000/runs/039e60be9856b000/logs",
			"retry": "/api/v2/tasks/039e60b9c696b000/runs/039e60be9856b000/retry",
			"self": "/api/v2/tasks/039e60b9c696b000/runs/039e60be9856b000",
			"task": "/api/v2/tasks/039e60b9c696b000"
		},
		"id": "039e60be9856b000",
		"taskID": "039e60b9c696b000",
		"status": "success",
		"scheduledFor": "2019-03-29T12:56:09Z",
		"startedAt": "2019-03-29T12:56:09.06108Z",
		"finishedAt": "2019-03-29T12:56:09.089303Z",
		"requestedAt": "0001-01-01T00:00:00Z",
		"log": null
	}]
}

introduced in #12949

cc @lyondhill

[lyondhill]

@bednar Thanks for finding this. Im pushing up a PR to fix it now.