Add correct batched handling for apply_chat_template (#29222)

* Add correct batched handling for apply_chat_template

* Fix warning method

* Add error for incompatible options

* expand tests

* Add a skip for markuplm

* Add skips for other layout models

* Skip for LayoutLMv2

* Slightly update the warning message

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* Update src/transformers/tokenization_utils_base.py

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>

* typo fix

* Update docstring for conversation kwarg

* Update return docstring

* Remove the warning, improve error message

* Update src/transformers/tokenization_utils_base.py

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

* Update src/transformers/tokenization_utils_base.py

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

* Update tests/test_tokenization_common.py

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

* Update tests/test_tokenization_common.py

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

* Remove return_dict=None

* Fix up some merge cruft

* More merge cruft

* Add another skip

* Add another skip

---------

Co-authored-by: Arthur <48595927+ArthurZucker@users.noreply.github.com>
Co-authored-by: amyeroberts <22614925+amyeroberts@users.noreply.github.com>

tests/models/tapas/test_tokenization_tapas.py

@@ -223,6 +223,10 @@ class TapasTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         rust_ids = rust_tokenizer.encode(sequence)
         self.assertListEqual(ids, rust_ids)
 
+    @unittest.skip("Chat template tests don't play well with table/layout models.")
+    def test_chat_template_batched(self):
+        pass
+
     def test_chinese(self):
         tokenizer = BasicTokenizer()