Fix scenario where generic implementation type doesn't have type factory intialized #1693
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Fixing the scenario where the implementation type of an RCW we are creating is not the same as the statically declared type and it is a generic type whose RCW factory hasn't been initialized by the projection for another scenario.
For instance, lets say we are returning a list in the implementation but we declared on the API surface as an
IEnumerable<object>. In this case, runtime class name would report it is aIList<object>but the RCW factory for it would not have been registered by the projection given it only knowsIEnumerable<object>and registered that one. We now detect such scenarios and fallback best effort to the statically known type's RCW factory which should be initialized. If a user wants to cast after to the actual implementation type, they can still manually register the RCW factory to get it properly constructed.Fixes the issue referenced in this comment: #1623 (comment)