appview: pages: Update PRCompare fork titles

Show fork titles in owner/repo format, otherwise if you have collaborator
access to multiple forks of the same repo (in which the forks have the
same title) it may be hard to differentiate

Signed-off-by: Samuel Shuert <[e-mail]>

appview/pages/templates/repo/pulls/fragments/pullCompareForks.html

···
                     <option disabled selected>select a fork</option>
                     {{ range .Forks }}
                         <option value="{{ .Name }}" {{ if eq .Name $.Selected }}selected{{ end }} class="py-1">
-                            {{ .Name }}
+                            {{ .Did | resolve }}/{{ .Name }}
                         </option>
                     {{ end }}
                 </select>