fix for contributors page (#3500)

* fix for contributors page

* Update tag_controller.rb

app/controllers/tag_controller.rb

@@ -132,6 +132,7 @@ def show
     @answered_questions = []
     @questions&.each { |question| @answered_questions << question if question.answers.any?(&:accepted) }
     @wikis = nodes if @node_type == 'wiki'
+    @wikis ||= []
     @nodes = nodes if @node_type == 'maps'
     @title = params[:id]
     # the following could be refactored into a Tag.contributor_count method:
@@ -198,9 +199,7 @@ def show_for_author
       .where(status: 1, type: node_type)
       .paginate(page: params[:page], per_page: 24)
 
-    # breaks the parameter
-    # sets everything to an empty array
-    set_sidebar :tags, [params[:id]]
+    @notes ||= []
 
     @notes = nodes.where('node.nid NOT IN (?)', qids) if @node_type == 'note'
     @questions = nodes.where('node.nid IN (?)', qids) if @node_type == 'questions'

test/functional/tag_controller_test.rb

@@ -34,6 +34,19 @@ def setup
     assert_equal [['myfourthtag', Tag.find_by_name('myfourthtag').tid], ['myfifthtag', Tag.find_by_name('myfifthtag').tid]], JSON.parse(response.body)['saved']
   end
 
+  test 'check extra tag page' do
+    UserSession.create(users(:bob))
+
+    get :show,
+        params: { 
+          node_type: 'contributors',
+          id: 'blog'
+        }
+
+    assert_template :show
+    assert_response :success
+  end
+
   test 'validate unused tag' do
     UserSession.create(users(:bob))