Tabs HTML attributes merged

Fixed Linting error on ID setup

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