Transfer ownership specify target folder

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Is your feature request related to a problem? Please describe.
Some setups are configured in a way where the home directory of a user is read-only, and the actual home data is in a subdirectory, for example "/home" (which sometimes is also an external storage). In such scenarios, transfer ownership would not be able to write into the target user's storage, or even if it could, the user could not delete it due to missing permissions.

Please note that just manually moving the files on-disk and rescanning is not a suitable solution as it would cause metadata loss and is not doable in setups with primary object store.

Describe the solution you'd like
Make it possible to specify the name of the target path in the occ command. That name would override the default one and would create the dir if missing.

Describe alternatives you've considered
Instead of occ command, have this be in config.php. This would fit the above describe scenario but is less flexible.

Locate the occ command that performs ownership transfer and read how it determines the target user's storage path. Trace the existing default-path behavior before assessing the requested option. Done means the command accepts a target path name, creates the directory when missing, and supports setups where the default home directory is not writable.