Fix C# module bindings codegen for namespaces with view dispatcher

[JasonAtClockwork]

Description of Changes

Closes: #3658 With the work on Views we ran into trouble with the Return Type and certain C# code layout where the types are defined inside the Module class. This fixes the bug in our current approach but needs consideration to possibly be changed entirely.

API and ABI breaking changes

N/A

Expected complexity level and risk

1 - Minor change

Testing

• [x] Retested with the linked code with and without the namespace
• [x] Re-ran regression tests