Aviator 0.4.2

Updated SVT-AV1 to 1.7.0, which features rebalanced presets & more massive speed improvements
In light of SVT-AV1's speedy development, Preset 7 is now high enough quality to be featured as Aviator's default speed preset
"Copy Audio" now disables other audio options in the GUI
New "Adaptive SCM" toggle (explained in tooltip)
Small fixes & adjustments

Download on Flathub!