Refined dropdown_filter id assignment

app/helpers/dropdowns_helper.rb

@@ -102,8 +102,7 @@ module DropdownsHelper
 
   def dropdown_filter(placeholder, search_id: nil)
     content_tag :div, class: "dropdown-input" do
-      dropdown_id = search_id || (placeholder&.parameterize || "filter") + "-dropdown-input-" + rand(1..100).to_s
-      filter_output = search_field_tag dropdown_id, nil, data: { qa_selector: "dropdown_input_field" }, class: "dropdown-input-field", placeholder: placeholder, autocomplete: 'off'
+      filter_output = search_field_tag search_id, nil, data: { qa_selector: "dropdown_input_field" }, id: nil, class: "dropdown-input-field", placeholder: placeholder, autocomplete: 'off'
       filter_output << sprite_icon('search', css_class: 'dropdown-input-search')
       filter_output << sprite_icon('close', size: 16, css_class: 'dropdown-input-clear js-dropdown-input-clear')
 

app/views/projects/merge_requests/tabs/_tab.html.haml

 - tab_name = local_assigns.fetch(:name, nil)
 - tab_class = local_assigns.fetch(:class, nil)
 - qa_selector = local_assigns.fetch(:qa_selector, nil)
-- id = local_assigns.fetch(:id, nil)
+- tab_id = local_assigns.fetch(:id, nil)
 
-%li{ class: [tab_class, ("active" if params[:tab] == tab_name)], id: id || tab_class, data: { qa_selector: qa_selector } }
+%li{ (tab_id ? { id: tab_id } : {}), class: [tab_class, ("active" if params[:tab] == tab_name)], data: { qa_selector: qa_selector } }
   = yield