perf: optimize collection selection with indexed lookups#3

Copilot wants to merge 2 commits intobc/allow-selecting-collections-ceibaleduNEXT/frontend-app-authoring:bc/allow-selecting-collections-ceibalfrom

copilot/optimize-collection-selectioneduNEXT/frontend-app-authoring:copilot/optimize-collection-selectionCopy head branch name to clipboard