By Michel Rose and and Florent Bardos PARIS (Reuters) -French President Emmanuel Macron is not guaranteed to win an absolute majority in parliament, exit polls showed, after a new left-wing alliance made a strong showing in the first round of parliamentary elections on Sunday. Macron’s coalition bloc was expected to win between 270-310 parliament seats – with the mark for an outright majority set at 289 seats – on June 19, according to an Elabe projection showed, while the left was seen getting 170-220 seats, a big increase from 2017. Initial projections by Elabe put the hard-left veteran Jean…