T5 compile compatibilty (#34089)

* this worked in normal generation, needs more tests

* fix almost all tests in t5

* nit

* longt5, umt5, mt5

* style

* udop, pix2struct

* more models

* fix some tests

* fix onnx tests

* tracing tests fixed

* compile enabled and tested for t5 models

* fix small bug in slow tests

* [run-slow] t5

* uncomment

* style

* update with new generation refactoring

* nit

* fix copies

* this is the fix, had to change t5 to fix copies

* update

* [run-slow] t5

* [run-slow] t5

* update

* add test for encoder only T5

* clean up after rebase

* fix pop2piano

* add comment

* style

* fix copies after rebase

* fix copies  missed this one

tests/models/pop2piano/test_modeling_pop2piano.py

@@ -620,7 +620,7 @@ class Pop2PianoModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTester
                 (config_and_inputs[1], config_and_inputs[3], config_and_inputs[2]),
                 f"{tmpdirname}/Pop2Piano_test.onnx",
                 export_params=True,
-                opset_version=9,
+                opset_version=14,
                 input_names=["input_ids", "decoder_input_ids"],
             )