By Kate Abnett BRUSSELS (Reuters) -European Union countries are poised to approve a package of emergency measures including windfall profit levies on energy companies on Friday, at a meeting where states will also lock horns over whether to cap gas prices. The 27 EU member countries are negotiating measures proposed by Brussels last week to attempt to contain an energy price surge that is stoking record-high inflation across the bloc and threatening a recession. Diplomats from some European countries were confident EU energy ministers would approve the measures at a meeting on Friday – albeit …