Fix wall_transition_filter_deviation when deviation is applied to the two inner walls
Fix wall_transition_filter_deviation when deviation is applied to the two inner walls

The difference in geometry diameter can be distributed over two walls, so then we should be more lenient to the filtering limit.

This doesn't take into account that the wall distribution count can be more than 1, just to simplify how it works.
If the user sets a distribution count >1 then the actual line widths will be more close to the intended line widths,
in that case the filtering could have been more aggressive.
Still it's within the filter deviation limit, so it's technically OK.

Ultimaker/CuraEngine,Ultimaker/CuraEngine