Fix <script> tag for embedding

Author: takezoe

src/main/twirl/gitbucket/gist/menu.scala.html

@@ -1,8 +1,6 @@
 @(active: String,
   gist: gitbucket.gist.model.Gist,
   repositoryUrl: gitbucket.gist.util.GistUtils.GistRepositoryURL)(implicit context: gitbucket.core.controller.Context)
-@import gitbucket.core.view.helpers
-@embedScript=@{"<script>"+repositoryUrl.embedUrl+"</script>"}
 @menuitem(name: String, path: String, label: String, count: Int = 0) = {
   <li @if(active == name){class="active"}>
     <a href="@context.path/gist/@path">
@@ -74,15 +72,18 @@
   <script>
   $(function(){
     $('#repository-url-embed').click(function(){
-      $('#repository-url').val('@embedScript'.replace(/&lt;/g,"<").replace(/&gt;/g,">"));
+      $('#repository-url-proto').text('Embed');
+      $('#repository-url').val('<script src="@repositoryUrl.embedUrl\"><\/script>');
       $('#repository-url-copy').attr('data-clipboard-text', $('#repository-url').val());
     });
     $('#repository-url-http').click(function(){
+      $('#repository-url-proto').text('HTTP');
       $('#repository-url').val('@repositoryUrl.httpUrl');
       $('#repository-url-copy').attr('data-clipboard-text', $('#repository-url').val());
     });
 @if(context.settings.ssh && context.loginAccount.isDefined){
     $('#repository-url-ssh').click(function(){
+      $('#repository-url-proto').text('SSH');
       $('#repository-url').val('@repositoryUrl.sshUrl(context.loginAccount.get.userName)');
       $('#repository-url-copy').attr('data-clipboard-text', $('#repository-url').val());
     });