It was a tempest over a teacup.
A JetBlue passenger claims she was accosted by the flight crew after trying to dispose of her teacup and spoon.
Angela Siddell was flying from JFK Airport to Costa Rica on Oct. 31 to celebrate her recent retirement when the bizarre, very British brouhaha unfolded as she searched for a bin to toss the remnants of her in-flight tea, she said in a…