fix: reduce integration events requests (#8055)

Cuts the total amount of integration event requests in half when
browsing the integrations page, by only fetching the 20 latest events
for each configured integration when it's actually needed (open modal).

frontend/src/component/integrations/IntegrationEvents/IntegrationEventsModal.tsx

@@ -65,7 +65,7 @@ export const IntegrationEventsModal = ({
     const navigate = useNavigate();
     const { locationSettings } = useLocationSettings();
     const { integrationEvents, hasMore, loadMore, loading } =
-        useIntegrationEvents(addon?.id, 20, {
+        useIntegrationEvents(open ? addon?.id : undefined, 20, {
             refreshInterval: 5000,
         });