Better folder structure visualization and update

[sdejonghe]

Is your feature request related to a problem? Please describe.

Any update in the folder structure on the IMAP server is not reflected in the mail client. It require to remove and add the account again.

Describe the solution you'd like

If it is possible during the regular synchronization process between the IMAP server and the mail client to reflect any changes that occurs in the folder structure, it would be great. One other feature for the clarity, is to present the folder structure in a tree view instead. For example, I create a sub folder called level 4 in Thunderbird.

I check that the folder has been correctly synchronized on the server by checking the default email client provided by my provider:

But despite a refresh of the page or of the account, nothing is reflected on the mail client:

So it is only after removing and creating again the mail account, that it is possible to see the change

Also the fact that all folder are aligned on the same vertical line does not help to visualize the structure correctly which is really blocking.

Describe alternatives you've considered

No response

Additional context

No response