Fix hashtag search performing account search as well (#13758)

spec/services/search_service_spec.rb

@@ -91,6 +91,14 @@ describe SearchService, type: :service do
           expect(Tag).not_to have_received(:search_for)
           expect(results).to eq empty_results
         end
+        it 'does not include account when starts with # character' do
+          query = '#tag'
+          allow(AccountSearchService).to receive(:new)
+
+          results = subject.call(query, nil, 10)
+          expect(AccountSearchService).to_not have_received(:new)
+          expect(results).to eq empty_results
+        end
       end
     end
   end