tweak directory look in dark theme, add back the dash

src/packages/fuzzy-finder/src/fuzzy-finder-view.coffee

@@ -49,7 +49,7 @@ class FuzzyFinderView extends SelectList
           typeClass = 'text-name'
         @span fs.base(path), class: "file label #{typeClass}"
         if folder = fs.directory(path)
-          @span "#{folder}/", class: 'directory'
+          @span " - #{folder}/", class: 'directory'
 
   openPath: (path) ->
     @rootView.open(path, {@allowActiveEditorChange}) if path

themes/atom-dark-ui/atom.css

@@ -23,4 +23,4 @@ html, body,
 
 .wrap-guide {
   background: rgba(150, 150, 150, 0.1);
-}
+}

themes/atom-dark-ui/select-list.css

@@ -25,4 +25,8 @@
 
 .select-list ol .selected {
   background-image: -webkit-linear-gradient(#7e7e7e, #737373);
+}
+
+.select-list .directory {
+  color: #777;
 }