BOCA RATON, FL — State inspectors temporarily closed six Palm Beach County restaurants last week, with every closure tied to pest activity, according to Florida DBPR records. The closures spanned Delray Beach, Riviera Beach, Royal Palm Beach, North Palm Beach and Palm Beach Gardens, and touched independents, a chain buffet and a national fast-food brand. Broward County recorded no emergency closures during the same reporting cycle, state records…