LTX-2.3 All-In-One workflow for RTX 3060 with 12 GB VRAM + 32 GB RAM — v4.3

Minor update after testing and several very usefull user inputs:

bug fix: Aspect Ratio subgraph: changed round_to_multiply = 64 insted of 32,

some little improvements, like:

bypassing audio for the upscale pass,

adding audio preview,

increasing preview_rate = 24 for better video previews.