Fix #847: Use ASCII filename before upload to S3 to avoid playback issues

See merge request funkwhale/funkwhale!778

Fix #835: Hide pod statistics on about page if those are disabled

See merge request funkwhale/funkwhale!780

Fix #851: wrong og:image url when using S3 storage

See merge request funkwhale/funkwhale!777

Fix #848: Fixed invalid file extension for transcoded tracks

See merge request funkwhale/funkwhale!776

Fix #850: Ensure empty but optional fields in file metadata don't error during import

See merge request funkwhale/funkwhale!775

Develop cherry pick

See merge request funkwhale/funkwhale!774

Translations integration

See merge request funkwhale/funkwhale!766

Currently translated at 55.2% (485 of 878 strings)

Translation: Funkwhale/Funkwhale's server front-end
Translate-URL: https://translate.funkwhale.audio/projects/funkwhale/front/ar/

Fix #830: Better handling of follow/accept messages to avoid and recover from...

Closes #830

See merge request funkwhale/funkwhale!765

Fix #830: Better handling of follow/accept messages to avoid and recover from desync between instances

Fix #828: an encoding issue with instance name on about page

Closes #828

See merge request funkwhale/funkwhale!764

Resolve "Amazon S3 bucket settings incorrect"

See merge request funkwhale/funkwhale!763

Translations integration

See merge request funkwhale/funkwhale!762