Patch CLIP image preprocessor (#30698)

* patch clip preprocessor

* Update image_processing_clip.py

* Update src/transformers/models/clip/image_processing_clip.py
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

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Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

src/transformers/models/clip/image_processing_clip.py

@@ -141,7 +141,7 @@ class CLIPImageProcessor(BaseImageProcessor):
         ]
 
         # for backwards compatibility of KOSMOS-2
-        if "use_square_size" in kwargs:
+        if "use_square_size" in kwargs and kwargs["use_square_size"]:
             self.size = {"height": size["shortest_edge"], "width": size["shortest_edge"]}
             # Let's remove `use_square_size` (as it is removed from #27690), so the future Kosmos-2 image processors
             # won't have this attr. being saved. (otherwise, it will enter this if branch while there is no more