Add a link to (with count of) targeted but not-estimated issues to versions show view
This feature request/proposal is loosely extracted from #1671#note-7:
Artem Vasiliev wrote:
Version page: show not estimated (undone) issues count.
Count is a link that leads to relevant issues list.
Cutout from screenshot posted in #1671#note-8 by Artem Vasiliev:
I think this feature, albeit with some less prominent coloring, can really ease version scheduling/planning.