====== getShuctIcon ====== * Parameters & Types: * playerid: number player ID * ix:number shortcut index(1~8) * Return value and type: * ErrorCode.OK * iconid: number item iconID * The main purpose of this method is to obtain the iconID of the player's hotbar item icon * Specific use cases are as follows: local result,iconid = Customui:getShuctIcon(playerid,ix)