[Merge] ~nteodosio/update-manager:purgeidleloop into update-manager:main

[Marco Trevisan (Treviño)]

Ehehe, yeah, maybe better *appy_*display_changes, no? However LGTM.
-- 
https://code.launchpad.net/~nteodosio/update-manager/+git/update-manager/+merge/474755
Your team Ubuntu Core Development Team is subscribed to branch update-manager:main.