DES MOINES — Kim Reynolds raised less than half of her challenger’s haul, but she still has the financial edge in the race for Iowa governor.Iowa candidates for statewide and legislative offices were required to file campaign fundraising reports Thursday. The fundraising period covered roughly seven weeks, from May 30 to July 14.Reynolds, the Republican governor, raised $1.2 million during the period, according to reports published Thursday by the state.That is less than half of the $2.6 million raised by Fred Hubbell, the Democratic nominee for governor.