Changes
- Fix Netplay Session Browser dialog not resetting properly when requesting sessions fails
- Fix freeze when opening the input configuration GUI from RMG-Input during netplay
- Fix nickname validation not being consistent in the netplay dialogs
- Fix downloading server list not having a timeout
- Fix update check not having a timeout
- Fix build failure when building with netplay disabled
- Fix minimap in Mario Kart 64 not displaying properly during splitscreen in GLideN64 (see gonetz/GLideN64#2894)