fixed possible error in level loading

src/level/level.cpp

@@ -12,7 +12,7 @@ namespace mirrage::asset {
 	{
 		std::string tileset_name;
 		in >> tileset_name;
-		in.ignore();
+		in.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
 
 		auto tileset = in.manager().load<phase_shifter::level::Tileset>(AID("tiles:" + tileset_name));