feat: only provide fonts which are available (shipped by us)

[susnux]

• solves Ticket#9683130

Prevents issues where fonts are offered that the user has not installed.

[susnux]

/backport to stable31

[susnux]

/backport to stable30

[susnux]

/compile

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30

# Create the new backport branch
git checkout -b backport/2956/stable30

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick fcdfd6a6 ff68d4a5

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/2956/stable30

Error: Failed to check for changes with origin/stable30: No changes found in backport branch

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[provokateurin]

So are the fonts supposed to be shipped in the release?
When doing a build it looks like this:

But due to

viewer/.gitignore

Line 3 in 114f65f

css/fonts/

they are not in the release tarballs.

[susnux]

So are the fonts supposed to be shipped in the release?

Yes - except the roboto ones

[provokateurin]

Then it's not working as intended, since the files are not committed to git. The release tarballs don't ship any of the fonts.