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Unify point global ids between volume mesh and its boundary

Ye Han requested to merge yehan/session:unify-global-ids into master

The surface extraction filter automatically keeps the node global ids from the original input polydata/unstructuredGrid. In Session::offsetGlobalIds, bool doOffset = pointDataNums->GetValue(0) <= pointIdOffset;, so the point global ids will just remain the same in the extracted surface if we set the pointIdOffset to -1 as input.

I've tried creating nodeset and faceset from the boundary surface and export them into .feb, and the node set seems to be missing when open it in febio suite. Even exporting the sets using the original .med file will not show the defined node sets.

I will assign the issue aeva#172 (closed) back to @jianfeng.yan once this is merged.

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