Fix `toolbarViewer`/`toolbarContainer` regressions (PR 18385, 18786 follow-up)#18831

Merged

Snuffleupagus merged 3 commits intomozilla:masterfrom Snuffleupagus:toolbar-container

Oct 2, 2024

+32-15

Commits on Oct 1, 2024

Use the "correct" toolbar container element in getViewerConfiguration (PR 18385 follow-up)
Snuffleupagus
committed
Update the CaretBrowsingMode toolbar-height if the toolbarDensity preference changes (PR 18786 follow-up)
Snuffleupagus
committed
Always set AppOptions.eventBus, regardless of build, to make local testing easier
Snuffleupagus
committed