Fix empty alert box when show project in logged out state

Author: kuro610

root/static/css/local_bootstrap_modifications.css

@@ -121,4 +121,4 @@ login logout header color
 
 .bg-header {
     background-color: var(--cc-green);
-}
+}

root/templates/project/show.tt

@@ -1,15 +1,17 @@
+[% IF project.archived %]
 <div class="alert alert-success">
-[% IF project.archived;
-    IF can_unarchive %]
+    [% IF can_unarchive %]
     <form id="unarchive" method="post" action="[% project_urls.unarchive %]"></form>
     <p class="m-0">
         📁 This project is archived (read-only). You can
         <button class="alert-link" type="submit" form="unarchive">Un-archive this project</button>
     </p>
     [% ELSE %]
     <p class="m-0">📁 This project has been archived.</p>
-    [% END;
-ELSIF can_edit %]
+    [% END %]
+</div>
+[% ELSIF can_edit %]
+<div class="alert alert-success">
     <p class="m-0">
     [% IF inventory.quantities == 0
         AND inventory.articles == 0
@@ -45,9 +47,9 @@ ELSIF can_edit %]
         </form>
     [% ELSE %]
         Once you’ve finished this project you can <a class="alert-link" href="[% project_urls.print %]">print documents</a> to take action.
-    [% END;
-END %]
+    [% END %]
 </div>
+[% END %]
 
 [% INCLUDE 'print/project.tt' %]