Fix PruneEmptyTensorsPass crash on data-dependent shapes (#20809) #14502

Job	Run time
CI run decision / decide	29s
Get changed files / get-changed-files	4s
test-models-cuda	0s
unittest-cuda-runtime	0s
export-model-cuda-artifact	0s
unittest-cuda	0s
test-cuda-pybind	0s
test-model-cuda-e2e	0s
test-executorch-cuda-build-${{ matrix.cuda-version }}	0s
check-all-cuda-builds	0s
	33s

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