One day I started to look if one could set cloud shell storage by default for Azure users of the tenant and managed to break down the access to cloud shell. I needed another way to reset the cloud shell settings that through the cloud shell. Annoyingly, at the time of this posting this is not available any other way than through REST or through CLI/PowerShell.
The only information I was able to find was this troubleshooting guide (https://docs.microsoft.com/en-us/azure/cloud-shell/troubleshooting).
Here is the way you can access Cloud Shell settings without the Azure Portal with bash shell with CLI:
