Improve collection display performance

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.X, 7.4.13 DXP GA1, 7.4.3.4 CE GA4, 7.4.3.5 CE GA5, 7.4.13 DXP U1, Master
• Component/s: Pages > Page Editor
• Labels:
  • 7.4-known-issues
  • ee-ts
  • fc_21_08
  • liferay-fixpack-dxp-4-7310
  • liferay-update-dxp-4-7310
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/5790

Step to reproduce:

1. Create a collection with 80 elements
2. Go to Site Builder > Page > create a Page Content
3. Add a collection display fragment
4. Add the created collection
5. Set the Maximum Number of Items value to 80
6. Add a fragment into the collection, for example a heading

Expected Results:
The loader works without any problems and the collection renders without any delay

Actual Results:
The loader crashes and the collection takes time to render