Fixed GLTF import

I noticed glTF2Importer::CanRead not returning the right value on success :wink:

Source/ThirdParty/Assimp/code/glTF2Importer.cpp

@@ -117,7 +117,7 @@ bool glTF2Importer::CanRead(const std::string& pFile, IOSystem* pIOHandler, bool
         }
     }
 
-    return false;
+    return true;
 }