fix: fix forward function signature of controlnet reference_only pipeline example (#5717)

fix: ignore other args
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

examples/community/stable_diffusion_controlnet_reference.py

@@ -546,7 +546,7 @@ class StableDiffusionControlNetReferencePipeline(StableDiffusionControlNetPipeli
 
             return hidden_states, output_states
 
-        def hacked_DownBlock2D_forward(self, hidden_states, temb=None):
+        def hacked_DownBlock2D_forward(self, hidden_states, temb=None, *args, **kwargs):
             eps = 1e-6
 
             output_states = ()
@@ -642,7 +642,7 @@ class StableDiffusionControlNetReferencePipeline(StableDiffusionControlNetPipeli
 
             return hidden_states
 
-        def hacked_UpBlock2D_forward(self, hidden_states, res_hidden_states_tuple, temb=None, upsample_size=None):
+        def hacked_UpBlock2D_forward(self, hidden_states, res_hidden_states_tuple, temb=None, upsample_size=None, *args, **kwargs):
             eps = 1e-6
             for i, resnet in enumerate(self.resnets):
                 # pop res hidden states