There’s an old joke about the lawyer who wanted to impress his aged mother. On a trip to the South Pacific, he purchased her a very expensive parakeet. Upon on his return, he inquired how she liked his gift. The old gal responded “Small — but delicious.”That’s exactly how I would describe the current production of the classic British farce “Noises Off” at Windy City Playhouse, running through April 7.As you enter this rather unique theatrical venue at 3014 W. Irving Park Road, you …