Use .trigger(‘click’) instead of .click

This is to improve reliability on mentioned tests

spec/features/boards/sidebar_spec.rb

@@ -158,7 +158,7 @@ describe 'Issue Boards', feature: true, js: true do
       end
 
       page.within(first('.board')) do
-        find('.card:nth-child(2)').click
+        find('.card:nth-child(2)').trigger('click')
       end
 
       page.within('.assignee') do

spec/features/dashboard/milestone_filter_spec.rb

@@ -43,7 +43,7 @@ describe 'Dashboard > milestone filter', feature: true, js: true do
     end
 
     it 'should not change active Milestone unless clicked' do
-      find(milestone_select).click
+      find(milestone_select).trigger('click')
 
       expect(find('.dropdown-content')).to have_selector('a.is-active', count: 1)