MM-45193 Use context for channel logging (#20575)

app/webhook_test.go

@@ -681,7 +681,7 @@ func TestTriggerOutGoingWebhookWithUsernameAndIconURL(t *testing.T) {
 			}))
 			defer ts.Close()
 
-			channel := th.CreateChannel(th.BasicTeam)
+			channel := th.CreateChannel(th.Context, th.BasicTeam)
 			hook, _ := createOutgoingWebhook(channel, ts.URL, th)
 			payload := getPayload(hook, th, channel)