BOWIE, Md. — The Bowie Baysox, the Double-A affiliate of the Baltimore Orioles, let their early lead slip against the Richmond Flying Squirrels, the Double-A affiliate of the San Francisco Giants, in a 9-5 loss at Prince George’s Stadium on Wednesday night in front of a season-high crowd of 8,975. Bowie (5-4, 37-40) scored all five…