A state appeals court revived the post-conviction petition of a man who was detained by immigration officials after he pleaded guilty to a felony drug possession charge and received first-offender probation, finding he raised an arguable claim of ineffective counsel.Arthur G. Hoare, an undocumented immigrant originally from Belize, has alleged that his counsel was ineffective for failing to clearly advise him that, by pleading guilty to a drug-possession felony and accepting a sentence of first-offender probation, he would …