Read until first dot when converting track file name to in-game name, fixes #5077

This commit addresses the bug of Goliath.1 track. The track name will be everything that is written in the file name of that track, until the first dot.

src/openrct2/ride/TrackDesignRepository.cpp

@@ -346,7 +346,10 @@ private:
 public:
     static std::string GetNameFromTrackPath(const std::string &path)
     {
-        return Path::GetFileNameWithoutExtension(path);
+        std::string name = Path::GetFileNameWithoutExtension(path);
+        //The track name should be the file name until the first instance of a dot
+        name = name.substr(0, name.find_first_of("."));
+        return name;
     }
 };