A group of Chicago aldermen today approved a $3.7 million settlement with a group of passengers injured in an alleged drunken-driving collision. But it wasn’t their initial decision — on Tuesday, they rejected the same deal.The Chicago City Council’s Finance Committee met for five minutes this morning, one day after its scheduled meeting and one hour before the full council was scheduled to meet, to vote for the settlement’s approval.The full council is expected to give final approval to the …