[ox/model] Fix type params in type ID

(synced from dd5d1bfbf5)

src/ox/model/desctypes.hpp

@@ -43,7 +43,7 @@ static constexpr auto buildTypeId(
 		for (const auto &p : typeParams) {
 			tp += p + ",";
 		}
-		tp.resize(tp.len());
+		tp.resize(tp.len() - 1);
 		tp += "#";
 	}
 	return ox::sfmt("{}{};{}", name, tp, version);