File Viewer v2.2.9

What's Changed

• feat(pptx): add full-screen slideshow with keyboard controls by @Ege-BULUT in #197
• fix(pptx): show shadow-root slideshow content by @wybaby168 in #199

New Contributors

• @Ege-BULUT made their first contribution in #197

Full Changelog: v2.2.8...v2.2.9