[Titanites]

Disputed.

Not. From your same New Advent source:

In the mind of the Tridentine Fathers they had been virtually canonized, by the same decree of Florence, and the same Fathers felt especially bound by the action of the preceding ecumenical synod.

[daniel1212]

Yes it is. The actually dispute is not what the Tridentine Fathers were thinking - these being the 25 that voted for it - but whether there was an official infallible definition. As it was yet needed, so it was given.