Aes fix

[SlejmUr]

Describe your changes

fix aes for proper enc/dec
added test for aes and zlib
also add requested GetConfig that returns T in ConfigService

Related issues (if any)

#141 #135

Checklist before requesting a review

• I have performed a self-review of my code
• I have thoroughly tested the code changes
• I have verified that the client can launch with these changes
• I have ran the unit tests (dotnet test)
• I have the code formatter (dotnet format)
• I have fixed all merge conflicts (if any)

[nexus4880]

When I say "Separate NET and NETSTANDARD implementations" I mean

public class A
{
    public T B()
    {
        return BInternal();
    }

#if NET

    public T BInternal()
    {
    }

// else will suffice
#elif NETSTANDARD

    public T BInternal()
    {
    }

#endif
}

This is so that you don't have #if littered within the function itself and it's easier to see the separation and it makes it easier to add newer code in the future.

[seionmoya]

@SlejmUr changes look good! Please make sure you can reach the main menu in eft with your changes.

[SlejmUr]

cant even load the game with the mod, so i cant test