Support the LTXV 2 model. (#11632)

Author: comfyanonymous

comfy/latent_formats.py

@@ -407,6 +407,9 @@ def __init__(self):
 
         self.latent_rgb_factors_bias = [-0.0571, -0.1657, -0.2512]
 
+class LTXAV(LTXV):
+    pass
+
 class HunyuanVideo(LatentFormat):
     latent_channels = 16
     latent_dimensions = 3