Migrate navItem.glyphicon to navItem.iconClass for navigation configuration
(from redmine: issue id 1250, created on 2019-01-10tgradl, closed on 2019-01-10)
- Relations:
- parent #1252
(from redmine: issue id 1250, created on 2019-01-10tgradl, closed on 2019-01-10)