Backport 'Fix empty address in conference's venues ' to v0.27 (#11910)

* Fix empty address in conference's venues

* Fix Empty address in venues sometimes

* Run linters

* Add specs for venues

* Fix selector on spec for this version of decidim

---------

Co-authored-by: Alexandru Emil Lupu <contact@alecslupu.ro>

decidim-conferences/spec/system/conferences_spec.rb

@@ -237,6 +237,21 @@
           expect(page).to have_no_css(".statistic__number", text: "3")
         end
       end
+
+      context "when the conference has multiple meetings components" do
+        let!(:meetings_component) { create(:component, :published, participatory_space: conference, manifest_name: :meetings) }
+        let!(:other_meetings_component) { create(:component, :published, participatory_space: conference, manifest_name: :meetings) }
+
+        it "show meeting venues" do
+          create(:meeting, :published, :online, address: "", location_hints: nil, location: "", component: meetings_component)
+          create(:meeting, :published, :in_person, address: "", location_hints: nil, location: "", component: other_meetings_component)
+          create_list(:meeting, 3, :published, :in_person, component: meetings_component)
+
+          visit decidim_conferences.conference_path(conference)
+
+          expect(page).to have_css("#venues .mb-s", count: 3)
+        end
+      end
     end
   end
 end

decidim-meetings/app/views/decidim/participatory_spaces/_conference_venues.html.erb

@@ -5,8 +5,11 @@
   <div class="row">
     <div class="column medium-4">
       <% meetings.each do |meeting_block| %>
+        <% next if meeting_block.first.empty? %>
+
         <% meeting_block.last.each_with_index do |meeting, index| %>
           <% next if index != 0 %>
+
           <%== cell("decidim/conferences/conference_address", meeting) %>
         <% end %>
       <% end %>