* Move column width manipulation into the lib tree adapter
* Fix issue with GTK where if someone types too fast, the part
column gets 0 width.
Fixes: lp:1841584
* https://bugs.launchpad.net/kicad/+bug/1841584
When filtering, we update the width of the displayed column to ensure
the full text is visible to the user. Check is rough, based on line
width (doesn't completely account for differing char widths) but is
sufficient for the approximate difference
Fixes: lp:1815401
* https://bugs.launchpad.net/kicad/+bug/1815401
Fixes: lp:1788495
* https://bugs.launchpad.net/kicad/+bug/1788495