CD/DVD icon did not disappear after eject ODD

[Bin Li]

1. Insert DVD disc,and there will be an icon in Dock.
2. Eject disc by pressing ODD(Optical Disk Driver) button,the disktop icon will not disappear unless log out system

Expected Result:
CD/DVD icon did disappear after eject ODD.

Actual Result:
CD/DVD icon in Dock did not disappear after eject ODD as the attached 'ODD.jpg'.
In Nautilus, CD/DVD item in left tree disappear as expect.

[Additional information]
Ubuntu 20.04.2
Package: gnome-shell-extension-ubuntu-dock
Version: 68ubuntu1~20.04.1

[Bin Li (binli)]

After I eject CD from button, click the icon in Dock, it will show a gio's error.

May 20 02:30:20 Gen2-1 systemd[1]: systemd-hostnamed.service: Succeeded.
May 20 02:30:26 Gen2-1 kernel: VFS: busy inodes on changed media sr0
May 20 02:30:26 Gen2-1 systemd[1]: Unmounting /media/u/openSUSE-12.3-Promo-DVD-x86_6401...
May 20 02:30:26 Gen2-1 udisksd[958]: Cleaning up mount point /media/u/openSUSE-12.3-Promo-DVD-x86_6401 (device 11:0 is not mounted)
May 20 02:30:26 Gen2-1 systemd[1856]: media-u-openSUSE\x2d12.3\x2dPromo\x2dDVD\x2dx86_6401.mount: Succeeded.
May 20 02:30:26 Gen2-1 systemd[1]: media-u-openSUSE\x2d12.3\x2dPromo\x2dDVD\x2dx86_6401.mount: Succeeded.
May 20 02:30:26 Gen2-1 systemd[1]: Unmounted /media/u/openSUSE-12.3-Promo-DVD-x86_6401.
May 20 02:30:26 Gen2-1 systemd[1]: Stopping Clean the /media/u/openSUSE-12.3-Promo-DVD-x86_6401 mount point...
May 20 02:30:26 Gen2-1 systemd[1]: clean-mount-point@media-u-openSUSE\x2d12.3\x2dPromo\x2dDVD\x2dx86_6401.service: Succeeded.
May 20 02:30:26 Gen2-1 systemd[1]: Stopped Clean the /media/u/openSUSE-12.3-Promo-DVD-x86_6401 mount point.

May 20 02:31:37 Gen2-1 systemd[1856]: Started Application launched by gnome-shell.
May 20 02:31:37 Gen2-1 gio[2863]: gio: file:///media/u/openSUSE-12.3-Promo-DVD-x86_6401: Error when getting information for file “/media/u/openSUSE-12.3-Promo-DVD-x86_6401”: No such file or directory
May 20 02:31:37 Gen2-1 systemd[1856]: gnome-launched-gio-2863.scope: Succeeded.
May 20 02:31:38 Gen2-1 systemd[1856]: tracker-extract.service: Succeeded.

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1856032, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.