I'm seeing the same behavior on cosmic, so not specific to disco.
Feb 18 14:28:23 x230 gnome-software[4674]: no such desktop file: io.snapcraft.vlc-RT9mcUhVsRYrDLG8qnvGiy26NKvv6Qkd
I'm seeing the same behavior on cosmic, so not specific to disco.
Feb 18 14:28:23 x230 gnome-software[ 4674]: no such desktop file: io.snapcraft. vlc-RT9mcUhVsRY rDLG8qnvGiy26NK vv6Qkd