Always show a sign, when collections are refreshing
The sidebar in the Calendar, Task and Memo window, can show a sign, when the collections refreshed, on the right of the collection. I have seen a case, where a collection was refreshing self-initiatively and had no “Refresh” item on the right-mouse-click menu, but there was no sign that the collection is refreshing.
When an event/task/memo collection is refreshing, triggered by the user or by Evolution, show a corresponding icon