go above tr8 by putting the bearing above tr8
that will bring it down and give you enough deflection in the steering shaft not to worry about having a collapsable mechanism in the column. i would do it now as it will be a pain in the ass to sort out later. how it is now will never pass iva as your column is dead straight from the steering rack up to the wheel which is lethal in a crash
there is about 3mm between the column on mine and tr9 so i think you can still get it a bit lower without mods