Merge pull request mozilla#14096 from Snuffleupagus/spreadMode-preRender

Pre-render *one* additional page when spreadModes are enabled

Merge pull request mozilla#13790 from Snuffleupagus/update-packages

Update packages and translations

Merge pull request mozilla#13463 from mozilla/dependabot/npm_and_yarn…

…/ws-7.4.6

Bump ws from 7.4.5 to 7.4.6

Tweak SeaMonkey maxVersion so extension will be accepted by Phoebus

Merge pull request mozilla#13172 from Snuffleupagus/cleanup-keepFonts

[api-minor] Add an option, in `PDFDocumentProxy.cleanup`, to allow fonts to remain attached to the DOM

Merge pull request mozilla#12897 from calixteman/12895

JS - Fix mouse event names

Merge branch 'Tag_v2.2.228' into Branch_v2.5.207

Colibrio specific release for v2.6.347