Expand test coverage

[swissspidy]

• Fix video import
• Add featured image controls to document panel
• Remove some dead code

[github-actions]

Size Change: +102 B (0%)

Total Size: 3.02 MB

Filename	Size	Change
build/media-experiments.js	69.6 kB	+118 B (+0.17%)

ℹ️ View Unchanged

Filename	Size	Change
build/100.js	88.3 kB	0 B
build/699.js	2.35 MB	0 B
build/blurhash.worker.js	3.23 kB	0 B
build/canvas.worker.js	2.79 kB	0 B
build/chunk-ffmpeg.js	5.91 kB	0 B
build/chunk-selfie-segmentation.js	16.3 kB	0 B
build/dominant-color.worker.js	4.45 kB	0 B
build/ffmpeg.js	1.1 kB	0 B
build/heif.worker.js	422 kB	0 B
build/media-experiments-blocks-rtl.css	297 B	0 B
build/media-experiments-blocks.css	296 B	0 B
build/media-experiments-rtl.css	885 B	0 B
build/media-experiments.css	885 B	0 B
build/pdf.js	578 B	0 B
build/subtitles.js	848 B	0 B
build/view-upload-request-view-rtl.css	716 B	0 B
build/view-upload-request-view.css	717 B	0 B
build/view-upload-request.js	17.6 kB	-16 B (-0.09%)
build/vips.worker.js	42.6 kB	0 B

_{compressed-size-action}