Fix hunyuan dit text encoder weights always being in fp32.

comfy/text_encoders/hydit.py

@@ -52,8 +52,8 @@ class HyditTokenizer:
 class HyditModel(torch.nn.Module):
     def __init__(self, device="cpu", dtype=None):
         super().__init__()
-        self.hydit_clip = HyditBertModel()
-        self.mt5xl = MT5XLModel()
+        self.hydit_clip = HyditBertModel(dtype=dtype)
+        self.mt5xl = MT5XLModel(dtype=dtype)
 
         self.dtypes = set()
         if dtype is not None: