Improve QTO of segment lengths

Previous method uses bounding box which could be wrong if the app (Revit) doesn't extrude in +Z and has a slope (e.g. most pipes). Also Revit tends to use rectangle profiles not for the cross section, but instead for the footprint which is crazy.

More efficient shape bbox and average vertex centroid function

Another fix for IfcOpenShell#5134

See IfcOpenShell#5087. See IfcOpenShell#5114. Skip trying to test sha…

…pes that obviously don't have a representation to prevent false positives

Rewrite georeference tests actually test UI effects

Allow selecting a container object when changing spatial container

Merge branch 'v0.8.0' of https://github.com/IfcOpenShell/IfcOpenShell …

…into v0.8.0

Minor typo fixes

fix bim drawing module test after 47704b1

fix bim drawing module test after 47704b1