Settings like Automatic Wi-Fi Security, Kill Switch, Crash Report, Connect on Launch, Connect/Disconnect Notification, Trusted Wi-Fi Networks, Use VPN Interface DNS and iOS Auto Reconnect can be set on the Tenant Level, and you can restrict end users to change them.
In your workspace, click on settings --> apps
And click on the lock icon on the right side:
it will block the possibility for end users to change this settings on their device.
When end user will go to their application, open the setting menu, they will see these options disabled as the trusted wi-fi settings here: