Update to QT6 and ffmpeg 4.4

Code updates include

• Remove the pop-up window asking whether to buffer video; all video now buffered
• Default input changed from DPX to video
• Default fps set to 24fps
• Enable user to rotate the image to adjust for azimuth errors; the rotate box must be checked for the rotation setting to take effect
• Extract Audio options have been revised
• Queue supports multiple in/out and settings adjustments
• "Import from VFB" option enables in/out points set in the Virtual Film Bench to populate the extraction queue

Fix WAV file size reporting

Expand DPX handling

AEO-Light 2.3 binaries for Windows and OSX

2.2 Beta binaries for Windows and OSX as well as a user manual.