Create a non-generic Il2CppArrayBase class

[ds5678]

This will be important for unstripping ldlen.

[ds5678]

Should Il2CppArrayBase<T>.WrapNativeGenericArrayPointer(IntPtr) become Il2CppArrayBase.WrapNativeGenericArrayPointer<T>(IntPtr)?

https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1000

[ds5678]

Should Il2CppArrayBase<T>.WrapNativeGenericArrayPointer(IntPtr) become Il2CppArrayBase.WrapNativeGenericArrayPointer<T>(IntPtr)?

https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/quality-rules/ca1000

Now that I think about it some more, this should be a future pull request because it has implications on the generator, which I significantly changed in #124.

[ds5678]

Is Il2CppArrayBase or are classes inheriting it directly accessed by any plugin code? If yes, this looks like a binary compatibility break.

Plugins can and do access these classes.

My pull request has two breaking changes:

• Moving Length to the base class
  • This is binary breaking but not source breaking.
  • The binary break can be avoided by adding a derived property that hides the base property.
• Changing IsReadOnly to an explicit interface implementation
  • This is a source and binary breaking change.
  • There is no reason for code to access this. It should have been this way from the start, but I can change it back if desired.

[ds5678]

I'm not sure how much breaking changes matter because my ultimate goal is to make lots of breaking changes. I want to do a proper C# type system with real interfaces and virtual methods. Porting to AsmResolver is just a first step towards that goal.

[ds5678]

The binary break can be avoided by adding a derived property that hides the base property.

Done