Merge pull request #16746 from PJB3005/18-02-16-fix-nodepath-pascalcase

Makes NodePath and RID follow PascalCase in C#.

modules/mono/editor/bindings_generator.cpp

@@ -2366,7 +2366,7 @@ void BindingsGenerator::_populate_builtin_type(TypeInterface &r_itype, Variant::
 
 		imethod.name = mi.name;
 		imethod.cname = imethod.name;
-		imethod.proxy_name = mi.name;
+		imethod.proxy_name = escape_csharp_keyword(snake_to_pascal_case(mi.name));
 
 		for (int i = 0; i < mi.arguments.size(); i++) {
 			ArgumentInterface iarg;