By John Irish, Michel Rose and Andrea Shalal PARIS, June 11 (Reuters) - Wars in the Middle East and Ukraine are set to dominate next week’s Group of Seven summit, as host France crafts an agenda aimed at projecting unity and avoiding confrontation with U.S. President Donald Trump. The June 15–17 gathering in Evian-les-Bains, on the shore of Lake Geneva, brings together the leaders of France, Britain, Canada, Germany, Italy, Japan and the United States, alongside the European Union.