Make sure empty 3d tensors get reshaped correctly

Author: Kosinkadink

comfy/ops.py

@@ -437,7 +437,7 @@ def fp8_linear(self, input):
 
     uncast_bias_weight(self, w, bias, offload_stream)
     if tensor_3d:
-        o = o.reshape((-1, input_shape[1], w.shape[0]))
+        o = o.reshape((input_shape[0], input_shape[1], w.shape[0]))
 
     return o
 
@@ -676,7 +676,7 @@ def forward(self, input, *args, **kwargs):
 
                 # Reshape output back to 3D if input was 3D
                 if tensor_3d:
-                    output = output.reshape((-1, input_shape[1], self.weight.shape[0]))
+                    output = output.reshape((input_shape[0], input_shape[1], self.weight.shape[0]))
 
                 return output