Sets the boards default milestone in the filter bar

app/assets/javascripts/boards/boards_bundle.js

@@ -63,7 +63,15 @@ $(() => {
     },
     created () {
       if (this.milestoneTitle) {
-        this.state.filters.milestone_title = this.milestoneTitle;
+        const milestoneTitleParam = `milestone_title=${this.milestoneTitle}`;
+        let splitPath = Store.filter.path.split('&').filter((param) => {
+          return param.match(/^milestone_title=(.*)$/g) === null;
+        });
+
+        splitPath = [milestoneTitleParam].concat(splitPath);
+        Store.filter.path = splitPath.join('&');
+
+        Store.updateFiltersUrl();
       }
 
       gl.boardService = new BoardService(this.endpoint, this.bulkUpdatePath, this.boardId);

app/views/shared/issuable/_filter.html.haml

@@ -4,9 +4,6 @@
 
 .issues-filters
   .issues-details-filters.row-content-block.second-block
-    - if boards_page && board
-      #js-multiple-boards-switcher.filter-item.inline.boards-switcher{ "v-cloak" => true }
-        = render "projects/boards/switcher", board: board
     = form_tag page_filter_path(without: [:assignee_id, :author_id, :milestone_title, :label_name, :search]), method: :get, class: 'filter-form js-filter-form' do
       - if params[:search].present?
         = hidden_field_tag :search, params[:search]

app/views/shared/issuable/_search_bar.html.haml

 - type = local_assigns.fetch(:type)
+- board = local_assigns.fetch(:board)
 
 .issues-filters
   .issues-details-filters.row-content-block.second-block.filtered-search-block
+    - if type == :boards && board
+      #js-multiple-boards-switcher.inline.boards-switcher{ "v-cloak" => true }
+        = render "projects/boards/switcher", board: board
     = form_tag page_filter_path(without: [:assignee_id, :author_id, :milestone_title, :label_name, :search]), method: :get, class: 'filter-form js-filter-form' do
       - if params[:search].present?
         = hidden_field_tag :search, params[:search]
@@ -60,6 +64,7 @@
                       {{name}}
                     %span.dropdown-light-content
                       @{{username}}
+          - unless board && board.milestone_id
             #js-dropdown-milestone.dropdown-menu{ data: { icon: 'clock-o', hint: 'milestone', tag: '%milestone' } }
               %ul{ data: { dropdown: true } }
                 %li.filter-dropdown-item{ data: { value: 'none' } }