By Alan Smith Arsenal are enjoying some Dubai sun as they look to get their campaign back on track following their Premier League mid-season break. Mikel Arteta ’s squad have been at a training camp in the Gulf while half the top flight enjoys a brief rest and the other 10 sides battle it out before getting their break next weekend. This is the second year that the Premier League is having an enforced break – spreading matchweek 21 across two weekends to ensure fans are not entirely starved of action while teams get to recuperate following the hectic Christmas schedule. All five games this wee…