I had tested many time to domain to domain from testing phase to published phase.
Had seen many times, these fonts get changed without any font change setting configurations. Why?
facing it at : https://www.midtogether.com/ Check please.
Default: http://prnt.sc/efiqni
After: http://prnt.sc/efirbh. Right now at: https://www.midtogether.com/
Check it and please send resolution asap.
The fonts gets removed if you do not save the fonts in font manager but save the wplms option panel.
Please refer this tip to include the fonts in font manager and save it:
https://vibethemes.com/documentation/wplms/knowledge-base/google-api-key-for-font-manager-and-usage/