@Sgs added some nit-prefixed comments to https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CommunityConfiguration/+/1011094, and some of them caught my attention:
nit: the class name should follow the pattern: ext-communityConfiguration-EditSummaryDialog__dialog-actions
I can recall CI complaining about issues like this in GrowthExperiments, and I was surprised it didn't do that in CommunityConfiguration. I pinged @Sgs about this, and they noted:
@Sgs wrote in WMF Slack:
I can confirm common style linting is not working locally neither. Debugging now.
Filling this task to record the work.