VERSAILLES, France—The European Union is ready to impose even harsher economic sanctions on Russia and might give Ukraine more funds for arms to fight Moscow’s invasion, leaders decided in two days of talks in France, but drew a line on allowing Kyiv rapid access to the bloc. Ukraine, a former Soviet republic that has sought to join the EU and NATO, has called for fast-track accession to the EU since the Feb. 24 invasion. “I understand very well that, when you fight courageously like Ukraine does, you would want much more. But we are not a side to this conflict,” French President Emmanuel Macron told a press conference. German Chancellor Olaf Scholz said it was “right” to hand the request of Ukraine, as well as that of Moldova and Georgia, for prospective membership to the bloc’s executive European Commission for a detailed legal analysis. Allies of Ukraine in eastern Europe …