feat(mimetypes): Added musicxml mimetypes

[bneumann]

Summary

Adds the musicxml MIME types

Needed by Viewer adaptions: nextcloud/viewer#2752

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Tests (unit, integration, api and/or acceptance) are included
• Screenshots before/after for front-end changes
• Documentation (manuals or wiki) has been updated or is not required
• Backports requested where applicable (ex: critical bugfixes)

[bneumann]

Hey, I updated the PR title to match the conventional commit pattern (sorry I overlooked that). But I can not figure out why the cypress-summary build is failing

[icewind1991]

Cypress is currently blocked from running from forks as it doesn't work properly.

Can you fix the syntax error in RepairMimeTypes.php

[bneumann]

Cypress is currently blocked from running from forks as it doesn't work properly.

Can you fix the syntax error in RepairMimeTypes.php

Okay, then I am happily ignoring this 😄
Fix is incoming

[skjnldsv]

Good from me, but your commits doesn't follow the conventional commits guidelines 🙈

Can you amend your commits do properly describe its contents?
Something like feat(mimetypes): added musicxml mimetypes

[bneumann]

Yeah I overlooked that, next PR I know. Did some rebasing magic and hope it worked now. Looks like the messages are correct now

[welcome]

Thanks for your first pull request and welcome to the community! Feel free to keep them coming! If you are looking for issues to tackle then have a look at this selection: https://github.com/nextcloud/server/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22

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[bneumann]

@skjnldsv Hmm now that I think of it. Maybe it was not that smart of me to set the version in the RepairMimeTypes file to 32. Any chance I could make another patch on the server to bring it in earlier (like the next 31 version)?