appview: pages/templates: consistent buttons for new issues/pulls

appview/pages/templates/fragments/repoActions.html

···
       {{ else }}
       {{ i "star" "w-4 h-4" }}
       {{ end }}
-      <span>
+      <span class="text-sm">
         {{ .Stats.StarCount }}
       </span>
     </div>
   </button>
   {{ if .DisableFork }}
-  <button class="btn no-underline hover:no-underline flex items-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed" disabled title="Empty repositories cannot be forked">
+  <button class="btn text-sm no-underline hover:no-underline flex items-center gap-2 disabled:opacity-50 disabled:cursor-not-allowed" disabled title="Empty repositories cannot be forked">
       {{ i "git-fork" "w-4 h-4"}}
       fork
   </button>
   {{ else }}
-  <a class="btn no-underline hover:no-underline flex items-center gap-2" href="/{{ .FullName }}/fork">
+  <a class="btn text-sm no-underline hover:no-underline flex items-center gap-2" href="/{{ .FullName }}/fork">
       {{ i "git-fork" "w-4 h-4"}}
       fork
   </a>

appview/pages/templates/repo/issues/issues.html

···
         <a
             href="/{{ .RepoInfo.FullName }}/issues/new"
             class="btn text-sm flex items-center gap-2 no-underline hover:no-underline">
-            {{ i "plus" "w-4 h-4" }}
-            <span>new issue</span>
+            {{ i "circle-plus" "w-4 h-4" }}
+            <span>new</span>
         </a>
     </div>
     <div class="error" id="issues"></div>

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

···
             href="/{{ .RepoInfo.FullName }}/pulls/new"
             class="btn text-sm flex items-center gap-2 no-underline hover:no-underline dark:text-white dark:bg-gray-700 dark:hover:bg-gray-600"
         >
-            {{ i "git-pull-request" "w-4 h-4" }}
-            <span>new pull request</span>
+            {{ i "git-pull-request-create" "w-4 h-4" }}
+            <span>new</span>
         </a>
     </div>
     <div class="error" id="pulls"></div>