Fix expand parsing

[CharlieL7]

• Fix an bug with ONNX Expand parsing of a dynamic input[0].

[migraphx-bot]

Test	Batch	Rate new 83b548	Rate old 282199	Diff	Compare
torchvision-resnet50	64	2,820.71	2,815.48	0.19%	✅
torchvision-resnet50_fp16	64	6,405.71	6,399.55	0.10%	✅
torchvision-densenet121	32	2,088.15	2,105.12	-0.81%	✅
torchvision-densenet121_fp16	32	3,694.45	3,695.12	-0.02%	✅
torchvision-inceptionv3	32	1,605.85	1,605.11	0.05%	✅
torchvision-inceptionv3_fp16	32	2,552.38	2,551.73	0.03%	✅
cadene-inceptionv4	16	717.98	717.63	0.05%	✅
cadene-resnext64x4	16	680.43	680.15	0.04%	✅
slim-mobilenet	64	5,935.21	5,945.58	-0.17%	✅
slim-nasnetalarge	64	154.03	154.01	0.01%	✅
slim-resnet50v2	64	2,586.59	2,587.50	-0.04%	✅
bert-mrpc-onnx	8	920.62	921.18	-0.06%	✅
bert-mrpc-tf	1	395.99	397.13	-0.29%	✅
pytorch-examples-wlang-gru	1	393.38	391.06	0.59%	✅
pytorch-examples-wlang-lstm	1	369.58	374.28	-1.26%	✅
torchvision-resnet50_1	1	605.22	601.79	0.57%	✅
cadene-dpn92_1	1	390.45	387.13	0.86%	✅
cadene-resnext101_1	1	333.19	331.86	0.40%	✅
onnx-taau-downsample	1	307.30	306.45	0.28%	✅
dlrm-criteoterabyte	1	28.86	28.85	0.05%	✅
dlrm-criteoterabyte_fp16	1	48.27	48.32	-0.09%	✅
agentmodel	1	7,390.44	7,309.46	1.11%	✅
unet_fp16	2	57.53	57.49	0.06%	✅
resnet50v1_fp16	1	906.25	923.36	-1.85%	✅
resnet50v1_int8	1	795.40	790.05	0.68%	✅
bert_base_cased_fp16	64	1,033.68	1,033.89	-0.02%	✅
bert_large_uncased_fp16	32	300.41	300.27	0.05%	✅
bert_large_fp16	1	159.94	159.97	-0.02%	✅
distilgpt2_fp16	16	1,856.53	1,858.79	-0.12%	✅
yolov5s	1	467.31	468.06	-0.16%	✅
tinyllama	1	32.98	32.96	0.06%	✅
vicuna-fastchat	1	158.19	157.57	0.39%	✅
whisper-tiny-encoder	1	352.11	348.16	1.13%	✅
whisper-tiny-decoder	1	396.42	396.77	-0.09%	✅

This build is OK for merge ✅

[migraphx-bot]

     ✅ bert-mrpc-onnx: PASSED: MIGraphX meets tolerance

     ✅ bert-mrpc-tf: PASSED: MIGraphX meets tolerance

     ✅ pytorch-examples-wlang-gru: PASSED: MIGraphX meets tolerance

     ✅ pytorch-examples-wlang-lstm: PASSED: MIGraphX meets tolerance

     ✅ torchvision-resnet50_1: PASSED: MIGraphX meets tolerance

     ✅ cadene-dpn92_1: PASSED: MIGraphX meets tolerance

     ✅ cadene-resnext101_1: PASSED: MIGraphX meets tolerance

     ✅ dlrm-criteoterabyte: PASSED: MIGraphX meets tolerance

     ✅ agentmodel: PASSED: MIGraphX meets tolerance

     ✅ unet: PASSED: MIGraphX meets tolerance

     ✅ resnet50v1: PASSED: MIGraphX meets tolerance

     ✅ bert_base_cased_fp16: PASSED: MIGraphX meets tolerance

🔴bert_large_uncased_fp16: FAILED: MIGraphX is not within tolerance - check verbose output

     ✅ bert_large: PASSED: MIGraphX meets tolerance

     ✅ yolov5s: PASSED: MIGraphX meets tolerance

     ✅ tinyllama: PASSED: MIGraphX meets tolerance

     ✅ vicuna-fastchat: PASSED: MIGraphX meets tolerance

     ✅ whisper-tiny-encoder: PASSED: MIGraphX meets tolerance

     ✅ whisper-tiny-decoder: PASSED: MIGraphX meets tolerance

     ✅ distilgpt2_fp16: PASSED: MIGraphX meets tolerance

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.76%. Comparing base (e329667) to head (83b5488).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #3027   +/-   ##
========================================
  Coverage    91.76%   91.76%           
========================================
  Files          485      485           
  Lines        18774    18777    +3     
========================================
+ Hits         17228    17231    +3     
  Misses        1546     1546           

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