Changes

• Fix incorrect usage of 'i.e' and replace it with 'e.g.' in the settings dialog
• Fix 7zip archives not supporting the PPMd compression method
• Fix being able to open another game while emulation is being started
• Fix allowing drag and drop events while emulation is being started
• Add 'Ask for confirmation on exit while in-game' setting
• Migrate RMG-Audio to SDL3 (thank you @loganmc10 for the help)
• Migrate RMG-Input to SDL3
• Migrate RMG to SDL3
• Migrate mupen64plus-core to SDL3 and SDL3_net (see mupen64plus/mupen64plus-core#1117)
• Update GLideN64 and LZMA SDK