Returns the shareTypes share status info to the favorites file list.

Fixes #23325

It can happen that a user shares a folder with public upload. And some
time later the admin disables public upload on the server.

To make sure this is handled correctly we need to check the config value
and reduce the permissions.

Fix is kept small to be easy backportable.

Instead of storing the WHOLE file in memory in a PHP variable, use the
library's chunk upload support.

Create the contact birthday calendar right away as soon as the command is executed once - fixes #23203

Since the library can only store the full response in memory on
download, we use an alternate client lib and set the correct headers to
be able to stream the content to a temp file.