chore: Fix flaky contacts spec (#8773)

- The ordering was not guaranteed; hence, the specs were failing randomly. Made changes to the expectations accordingly

spec/controllers/api/v1/accounts/contacts_controller_spec.rb

@@ -36,9 +36,11 @@
 
         expect(response).to have_http_status(:success)
         response_body = response.parsed_body
-        expect(response_body['payload'].first['email']).to eq(contact.email)
-        expect(response_body['payload'].first['contact_inboxes'].first['source_id']).to eq(contact_inbox.source_id)
-        expect(response_body['payload'].first['contact_inboxes'].first['inbox']['name']).to eq(contact_inbox.inbox.name)
+        contact_emails = response_body['payload'].pluck('email')
+        contact_inboxes_source_ids = response_body['payload'].flat_map { |c| c['contact_inboxes'].pluck('source_id') }
+
+        expect(contact_emails).to include(contact.email)
+        expect(contact_inboxes_source_ids).to include(contact_inbox.source_id)
       end
 
       it 'returns all contacts without contact inboxes' do