h5grove app does correctly handle url encoding
This started as an issue on discord: https://discord.com/channels/1201445470485106719/1218105117975380028/1218105117975380028
Our h5grove app does not seem to work with file names that have a "+" character in them, e.g. data_2024-03-15T08-51-17_698104+01-00.nxs
.