Excel-DNA / Excel-DNA/ExcelDna

Expose `ExcelDnaUtil.IsApplicationOK` (or similar) (?)

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Description

Continuation of discussion from #267.

When would it make sense for an add-in developer to want to call `ExcelDnaUtil.IsApplicationOK`?

Does it make sense to expose `ExcelDnaUtil.IsApplicationOK` (or similar) to developers?

https://github.com/Excel-DNA/ExcelDna/blob/c38f1b914a6e68a513e7c5b1cc2387783e727bf8/Source/ExcelDna.Integration/Excel.cs#L486-L502

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> Calling the COM object model from the main thread in a context where COM calls are not handled, often results in COM errror `0x800A03EC` (which I've seen documented as `NAME_NOT_FOUND`).

What are common scenarios that could cause the behavior above?

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Relates to #265, #171, #172.

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