Scheduled dispatch: Add flag to re-use all dispatch slots

src/command_type.h

@@ -512,6 +512,7 @@ enum Commands {
 	CMD_SCHEDULED_DISPATCH_SET_DURATION,        ///< scheduled dispatch set schedule duration
 	CMD_SCHEDULED_DISPATCH_SET_START_DATE,      ///< scheduled dispatch set start date
 	CMD_SCHEDULED_DISPATCH_SET_DELAY,           ///< scheduled dispatch set maximum allow delay
+	CMD_SCHEDULED_DISPATCH_SET_REUSE_SLOTS,     ///< scheduled dispatch set whether to re-use dispatch slots
 	CMD_SCHEDULED_DISPATCH_RESET_LAST_DISPATCH, ///< scheduled dispatch reset last dispatch date
 	CMD_SCHEDULED_DISPATCH_CLEAR,               ///< scheduled dispatch clear schedule
 	CMD_SCHEDULED_DISPATCH_ADD_NEW_SCHEDULE,    ///< scheduled dispatch add new schedule