appview/pages: special-case for sub-second times in timeAgo formats

when time is formatted in "timeago" formats, it can be displayed as
"edited now ago" when the time is sub-second. this case is now
specialized to omit the "ago" to result in "edited now".

Signed-off-by: oppiliappan <[e-mail]>

appview/pages/templates/repo/fragments/shortTimeAgo.html

···
 {{ define "repo/fragments/shortTimeAgo" }}
-{{ template "repo/fragments/timeWrapper" (dict "Time" . "Content" (print (. | shortRelTimeFmt) " ago")) }}
+  {{ $formatted := shortRelTimeFmt . }}
+  {{ $content := printf "%s ago" $formatted }}
+  {{ if eq $formatted "now" }}
+    {{ $content = "now" }}
+  {{ end }}
+  {{ template "repo/fragments/timeWrapper" (dict "Time" . "Content" $content) }}
 {{ end }}