[api-minor] Fix the `AnnotationStorage` usage properly in the viewer/tests (PR 12107 and 12143 follow-up)#12147

Merged

timvandermeij merged 2 commits intomozilla:masterfrom Snuffleupagus:fix-AnnotationStorage-usage

Jul 31, 2020

+14-11

Commits on Jul 31, 2020

[api-minor] Fix the AnnotationStorage usage properly in the viewer/tests (PR 12107 and 12143 follow-up)
Snuffleupagus
committed
Avoid doing unnecessary work in AnnotationLayerBuilder.render, such as cloning a PageViewport, when no annotations exist for a page
Snuffleupagus
committed