Re-register your N reg a/c in the IOM for your M-REG. The IOM register accepts the FAA ticketed pilots. Maybe this will change with the ruling who knows.....
You will not be on the IOM register as it is at their discretion as follows -
high quality private and corporate jets and high quality twin turbine-engine helicopters
Don't blame EASA as I think they are being prompted by the FAA to help clean things up.
Read the new FAR 47 in its entirety, it has always been a legal wrangle to qualify as a "U.S. citizen" under the FAR's.