Fix project filter form rendering

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/framework/nav.scss

@@ -85,6 +85,10 @@
       display: inline-block;
     }
 
+    > form {
+      display: inline-block;
+    }
+
     input {
       height: 34px;
       display: inline-block;

app/views/dashboard/_projects_head.html.haml

@@ -13,10 +13,10 @@
         Explore Projects
 
   .nav-controls
-    .pull-right
-      = form_tag request.original_url, method: :get, class: 'pull-left project-filter-form', id: 'project-filter-form' do |f|
-        = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'pull-left form-control project-filter-form-field form-control', spellcheck: false, id: 'project-filter-form-field'
+    = form_tag request.original_url, method: :get, class: 'project-filter-form', id: 'project-filter-form' do |f|
+      = search_field_tag :filter_projects, params[:filter_projects], placeholder: 'Filter by name...', class: 'project-filter-form-field form-control input-short', spellcheck: false, id: 'project-filter-form-field'
+    = render 'explore/projects/dropdown'
     - if current_user.can_create_project?
-        = link_to new_project_path, class: 'btn btn-new pull-left' do
+      = link_to new_project_path, class: 'btn btn-new' do
         = icon('plus')
         New Project