Fix issue when using multiple t2i adapters with batched images.

comfy/controlnet.py

@@ -125,6 +125,9 @@ class ControlBase:
                     elif prev_val is not None:
                         if o[i] is None:
                             o[i] = prev_val
+                        else:
+                            if o[i].shape[0] < prev_val.shape[0]:
+                                o[i] = prev_val + o[i]
                             else:
                                 o[i] += prev_val
         return out