Zabbix 4.0.11 with Internet Explorer 11 (11.615.17763.0)

Steps to Reproduce:
1. Configuration -> Templates or Hosts -> Graphs
2. Select a graph that can change settings.
3. Go to the "Preview" tab and back to the graph tab.
4. Change the "Show triggers" setting
5. Go to the "Preview" tab.

Result:
You can see that GRAPH SPIN (very fast)

Please See attached GIF.