PARIS — France’s high-stakes legislative elections propelled the far-right National Rally to a strong but not decisive lead in the first-round vote Sunday, polling agencies’ projected, dealing another slap to centrist President Emmanuel Macron after his risky decision to call voters back to the polls for the second time in three weeks. [time-brightcove not-tgx=”true”] French polling agencies indicated that Macron’s grouping of centrist parties could finish a distant third in the first-round ballot.