[VitisAI] fix throw on dfs (#23678)
### Description
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Add customized version for reverse dfs which can exit early if the graph
is altered.
### Motivation and Context
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- If it fixes an open issue, please link to the issue here. -->
This is requested by MSFT. We used to use throw exception to exit
reverse dfs and this is not preferred by MSFT.
Co-authored-by: Yueqing Zhang <yueqingz@amd.com>
