Source Record 0.4.6

OBS version 28 or higher required
Support apple encoders [umireon]
Add option to set background color [umireon]

• only have the save replay hotkey on the output, remove replay hotkey on the source
• restart replay buffer on duration change
• increase max replay duration

Fix rendering lag not skipping frames by @norihiro

fix crash on shutdown

fix audio track initialization

support source size not dividable by 2

fix recording other audio tracks

add audio track option

fix recording source without audio
skip removed sources for audio (fixing crash on shutdown)
add virtual camera as record or stream trigger

• add stream option
• add enable and disable hotkey pair