Fix compilation with C# disabled

Source/Engine/Core/Types/Variant.cpp

@@ -1228,7 +1228,7 @@ bool Variant::operator==(const Variant& other) const
 #elif USE_MONO
             return AsUint == other.AsUint || MCore::GCHandle::GetTarget(AsUint) == MCore::GCHandle::GetTarget(other.AsUint);
 #else
-            return nullptr;
+            return false;
 #endif
         default:
             return false;
@@ -1324,7 +1324,7 @@ Variant::operator bool() const
 #elif USE_MONO
         return AsUint != 0 && MCore::GCHandle::GetTarget(AsUint) != nullptr;
 #else
-        return nullptr;
+        return false;
 #endif
     default:
         return false;

Source/Engine/Scripting/Runtime/None.cpp

@@ -234,7 +234,7 @@ bool MAssembly::LoadCorlib()
     return false;
 }
 
-bool MAssembly::LoadImage(const String& assemblyPath)
+bool MAssembly::LoadImage(const String& assemblyPath, const StringView& nativePath)
 {
     _hasCachedClasses = false;
     _assemblyPath = assemblyPath;
@@ -246,6 +246,11 @@ bool MAssembly::UnloadImage(bool isReloading)
     return false;
 }
 
+bool MAssembly::ResolveMissingFile(String& assemblyPath) const
+{
+    return true;
+}
+
 MClass::~MClass()
 {
     _fields.ClearDelete();