Use helper method

app/views/search/_filter.html.haml

@@ -12,10 +12,7 @@
         Any
     = icon("chevron-down")
   .dropdown-menu.dropdown-select.dropdown-menu-selectable.dropdown-menu-align-right
-    .dropdown-title
-      %span Filter results by group
-      %button.dropdown-title-button.dropdown-menu-close{ aria: { label: "Close" } }
-        = icon('times')
+    = dropdown_title("Filter results by group")
     = dropdown_filter("Search groups")
     = dropdown_content
     = dropdown_loading
@@ -30,10 +27,7 @@
         Any
     = icon("chevron-down")
   .dropdown-menu.dropdown-select.dropdown-menu-selectable.dropdown-menu-align-right
-    .dropdown-title
-      %span Filter results by project
-      %button.dropdown-title-button.dropdown-menu-close{aria: {label: "Close"}}
-        = icon('times')
+    = dropdown_title("Filter results by project")
     = dropdown_filter("Search projects")
     = dropdown_content
     = dropdown_loading