Improved the handling of char arrays by using desugaring.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/CLI/CLIMarshal.cs

@@ -61,7 +61,7 @@ namespace CppSharp.Generators.CLI
                     break;
                 case ArrayType.ArraySize.Incomplete:
                     // const char* and const char[] are the same so we can use a string
-                    if (array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                    if (array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                         array.QualifiedType.Qualifiers.IsConst)
                         return VisitPointerType(new PointerType
                             {

src/Generator/Generators/CLI/CLITypePrinter.cs

@@ -65,7 +65,7 @@ namespace CppSharp.Generators.CLI
         {
             // const char* and const char[] are the same so we can use a string
             if (array.SizeType == ArrayType.ArraySize.Incomplete &&
-                array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                 array.QualifiedType.Qualifiers.IsConst)
                 return "System::String^";
 

src/Generator/Generators/CSharp/CSharpMarshal.cs

@@ -118,7 +118,7 @@ namespace CppSharp.Generators.CSharp
                     break;
                 case ArrayType.ArraySize.Incomplete:
                     // const char* and const char[] are the same so we can use a string
-                    if (array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                    if (array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                         array.QualifiedType.Qualifiers.IsConst)
                         return VisitPointerType(new PointerType
                             {

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -155,7 +155,7 @@ namespace CppSharp.Generators.CSharp
 
             // const char* and const char[] are the same so we can use a string
             if (array.SizeType == ArrayType.ArraySize.Incomplete &&
-                array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                 array.QualifiedType.Qualifiers.IsConst)
                 return "string";