feat(medias): support upload of multiple items

[Meierschlumpf]

Homarr

Thank you for your contribution. Please ensure that your pull request meets the following pull request:

• Builds without warnings or errors (pnpm build, autofix with pnpm format:fix)
• Pull request targets dev branch
• Commits follow the conventional commits guideline
• No shorthand variable names are used (eg. x, y, i or any abbrevation)
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Closes #2158

[deepsource-io]

Here's the code health analysis summary for commits 4ebfb33..0e149e2. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success	🎯 1 occurence resolved	View Check ↗

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[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	25.29%	14805 / 58531
🔵	Statements	25.29%	14805 / 58531
🔵	Functions	37.47%	684 / 1825
🔵	Branches	72.4%	1653 / 2283

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
apps/nextjs/src/app/[locale]/boards/[name]/settings/_background.tsx	0%	0%	0%	0%	1-220
apps/nextjs/src/app/[locale]/manage/medias/_actions/upload-media.tsx	0%	0%	0%	0%	1-25
packages/api/src/router/medias/media-router.ts	23.42%	100%	100%	23.42%	22-52, 58-98, 101-125
packages/forms-collection/src/icon-picker/icon-picker.tsx	0%	100%	100%	0%	2-206
packages/forms-collection/src/upload-media/upload-media.tsx	0%	100%	100%	0%	2-54
packages/validation/src/media.ts	35.29%	100%	100%	35.29%	12-35

Generated in workflow #8411 for commit 0e149e2 by the Vitest Coverage Report Action