Support OpenBazaar 2.0 Desktop Client

[varlesh]

• Github page: https://github.com/OpenBazaar/openbazaar-desktop
• Desktop file name: openbazaar2client.desktop

xprop | grep CLASS
`WM_CLASS(STRING) = "openbazaar desktop client", "OpenBazaar Desktop Client"`

[varlesh]

desktop:

[Desktop Entry]
Name=OpenBazaar
Comment=Decentralized Peer to Peer Marketplace for Bitcoin
GenericName=OpenBazaar Desktop Client
Exec=openbazaar2client %U
Icon=openbazaar2client
Type=Application
StartupNotify=true
Categories=Utility;

[bilelmoussaoui]

Should be fixed! Not sure, as the WM_CLASS contains an empty space on it :/