[release/6.0-rc2] Check if External Object Context is still active after a possible...

[release/6.0-rc2] Check if External Object Context is still active after a possible GC (#59436)

* Check if External Object Context is still active after a possible GC

* Update interoplibinterface_comwrappers.cpp

Check if `IsActive()` during consideration too.

* Issues can occur during the multiple managed allocations.

* Add validation of non-null elements in ReleaseObjects() API call. Use detach state instead of IsActive state for EOC.

* Apply suggestions from code review

Co-authored-by: Elinor Fung <elfung@microsoft.com>
* Apply suggestions from code review

Co-authored-by: Elinor Fung <elfung@microsoft.com>
* Review feedback

Co-authored-by: Aaron Robinson <arobins@microsoft.com>
Co-authored-by: Elinor Fung <elfung@microsoft.com>