Small code improvements

Addressing code review comments

ee/app/models/ee/project.rb

@@ -644,7 +644,7 @@ module EE
     end
 
     def alerts_service_activated?
-      alerts_service_available? && alerts_service.try(:active?)
+      alerts_service_available? && alerts_service&.active?
     end
 
     def package_already_taken?(package_name)

ee/spec/models/issue_spec.rb

@@ -22,9 +22,7 @@ describe Issue do
 
           context 'when the author is Alert Bot' do
             it 'updates issue title with the IID' do
-              issue.save
-
-              expect(issue.reload.title).to eq("New: Incident 503503")
+              expect { issue.save }.to change { issue.title }.to("New: Incident 503503")
             end
           end