By Gabriela Baczynska and Andrew Gray BRUSSELS (Reuters) – It will be hard to get Hungary to back more financial aid to Ukraine at a European Union summit next week, with the bloc having set a bad precedent to finesse Viktor Orban’s objections the last time around, Luxembourg’s foreign minister said. Xavier Bettel, who was previously Luxembourg’s prime minister and represented it at EU summits for a decade until last November, said Ukraine needed both military and financial assistance as it fights Russia’s almost two-year-old invasion. “One is needed as much as the other,” he told Reuters in a…