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ad8068e4 - changed channel parameters for UNET and VAE. Changed configs parameters of CLIPText (#5370)

changed channel parameters for UNET and VAE. Changed configs parameters of CLIPText (#5370) * changed channel parameters for UNET and VAE. Decreased hidden layers size with increased attention heads and intermediate size * changed the assertion check range * clean up --------- Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>