Issue with measurement tool and nested components in G3

[gor.jious (Gor Jihanian)]

Running into an issue where the measurement tool is not working on glyphs that are nested components.

3.0.2 (3042)

[mekkablue (Rainer Erich Scheichelbauer)]

This may be related to the decompose issue:
https://forum.glyphsapp.com/t/gslayer-decomposecomponents-is-not-recursive/16775/

If so, it should be fixed in the upcoming beta.