appview: fix crash when setting description of forked repo

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

appview/pages/templates/layouts/fragments/topbar.html

···
               </a>
             </div>
 
-            <div id="right-items" class="flex items-center gap-2">
+            <div id="right-items" class="flex items-center gap-4">
                 {{ with .LoggedInUser }}
                     {{ block "newButton" . }} {{ end }}
                     {{ template "notifications/fragments/bell" }}

appview/pages/templates/notifications/fragments/bell.html

···
      hx-get="/notifications/count"
      hx-target="#notification-count"
      hx-trigger="load, every 30s">
-  <a href="/notifications" class="text-gray-500 dark:text-gray-400 flex gap-1 items-center group ml-4 mr-2">
+  <a href="/notifications" class="text-gray-500 dark:text-gray-400 flex gap-1 items-end group">
     {{ i "bell" "w-5 h-5" }}
     <span id="notification-count"></span>
   </a>

appview/pages/templates/notifications/fragments/count.html

···
 {{define "notifications/fragments/count"}}
-{{if and .Count (gt .Count 0)}}
-<span class="absolute -top-1 -right-0.5 min-w-[16px] h-[16px] px-1 bg-red-500 text-white text-xs font-medium rounded-full flex items-center justify-center">
-  {{if gt .Count 99}}99+{{else}}{{.Count}}{{end}}
-</span>
-{{end}}
+  {{if and .Count (gt .Count 0)}}
+  <span class="absolute -top-1.5 -right-0.5 min-w-[16px] h-[16px] px-1 bg-red-500 text-white text-xs font-medium rounded-full flex items-center justify-center">
+    {{if gt .Count 99}}99+{{else}}{{.Count}}{{end}}
+  </span>
+  {{end}}
 {{end}}

appview/repo/repo.go

···
 			Knot:        targetKnot,
 			Rkey:        rkey,
 			Source:      sourceAt,
-			Description: existingRepo.Description,
+			Description: f.Repo.Description,
 			Created:     time.Now(),
 			Labels:      models.DefaultLabelDefs(),
 		}