Ok, I discussed with Andrea on IRC, the thunderbird issue is different since they don't use "text/uri-list", fixing the "should be able to drop on any icon" is not enough for that one, I undupped bug #880798 and I'm using this one for the "should allow to drop on any launcher icon"
Ok, I discussed with Andrea on IRC, the thunderbird issue is different since they don't use "text/uri-list", fixing the "should be able to drop on any icon" is not enough for that one, I undupped bug #880798 and I'm using this one for the "should allow to drop on any launcher icon"