Fix key error for dictionary with randomized order in convert_ldm_unet_checkpoint (#7680)

fix key error for different order
Co-authored-by: yunseong <yunseong.cho@superlabs.us>
Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>

src/diffusers/pipelines/stable_diffusion/convert_from_ckpt.py

@@ -557,7 +557,7 @@ def convert_ldm_unet_checkpoint(
                 paths, new_checkpoint, unet_state_dict, additional_replacements=[meta_path], config=config
             )
 
-            output_block_list = {k: sorted(v) for k, v in output_block_list.items()}
+            output_block_list = {k: sorted(v) for k, v in sorted(output_block_list.items())}
             if ["conv.bias", "conv.weight"] in output_block_list.values():
                 index = list(output_block_list.values()).index(["conv.bias", "conv.weight"])
                 new_checkpoint[f"up_blocks.{block_id}.upsamplers.0.conv.weight"] = unet_state_dict[