MIAMI — Accusations of a “stolen” election and mistrust in the voting process are still spreading in traditional battleground states, where former President Donald Trump looms large despite not being on the ballot. Republicans are joining forces with members of the extreme-right conservative group, the Proud Boys, on the campaign trail and as poll workers in Florida and its most populous county, Miami-Dade. And ex-felons whose voting rights were restored thanks to a state referendum still worry about retaliation from a Florida election crimes office, which was created by Gov. Ron DeSantis. Sta…