Dianna Russini will return to work this NFL season, but not without addressing the elephant in the room first. A source familiar with the situation told Page Six this week that the former Athletic journalist, who resigned from her position in April amid an investigation into her relationship with New England Patriots head coach Mike Vrabel, will share her side of the scandal upon taking her next job. Russini, 43, hopes to speak on the matter and move past it once and for all, the source added. The exact timeline for her comeback remains unclear, but a debut by the start of Week 1 — which kicks off Wednesday night with a Super Bowl LX…