Each time we iterator through the tracks list to merge, we change the
connectivity system and can leave possible merges. By iterating, we
keep merging until we cannot anymore.
Fixes https://gitlab.com/kicad/code/kicad/issues/5020
There are cases where you will want to keep vias that only connect to
one layer but still want to cleanup tracks. As distinct entities, they
are given their own checkboxes and actions
Fixes https://gitlab.com/kicad/code/kicad/issues/5019
This end was not detected as connected by the IsDangling method.
Fix incorrect cleaning of dangling tracks in track cleaner.
Remove also a dead code.
The merge co-linear track segments is still full bugged in track cleaner.
Fixes a few commit issues based on the std:: rework. Add an option to
delete tracks fully in pads and makes merge tracks smarter
Fixes: lp:1787190
* https://bugs.launchpad.net/kicad/+bug/1787190