[NativeAOT] Natvis visualization for threadstatic variables. (#90473)

[NativeAOT] Natvis visualization for threadstatic variables. (#90473)

* Slow path

* keep an index node for every type

* encode the offset

* Support inline storage in natvis

* store typeManager in TLS root

* test for module

* root param

* tweak comments.

* make junk MOV`s unreachable dead code

* Keep index nodes for inlined threadstatics unconditionally, remove "deadcode MOV" hack

* Update src/coreclr/nativeaot/Runtime/thread.h

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Co-authored-by: Jan Kotas <jkotas@microsoft.com>