It is only shown in Noise when you click on it on pantheon-files. The audio disc should be shown when a CD is in the PC.
Same issue here. Wow 2 years old issue and this bug still exist.
Hello Ozgur,
As you know, elementary OS is built with code submitted mostly by volunteers. Some issues do not present interest for them.
If it's important for you to get this issue fixed, you can incentivise them using bug bounties: https://www.bountysource.com/teams/elementary/bounties
Bug watches keep track of this bug in other bug trackers.
Same issue here. Wow 2 years old issue and this bug still exist.