Fujifilm X-T1 / X-T2 unable to set Live View Size as Large

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Describe the bug

Live View Size is always set to QVGA (small) and gphoto2 --set-config liveviewsize=XGA has no effect nor errors.

Name the camera Fuji Fujifilm X-T1 Fuji Fujifilm X-T2

libgphoto2 and gphoto2 version gphoto2 2.5.28.1

Copyright (c) 2000-2021 Marcus Meissner and others

gphoto2 comes with NO WARRANTY, to the extent permitted by law. You may redistribute copies of gphoto2 under the terms of the GNU General Public License. For more information about these matters, see the files named COPYING.

This version of gphoto2 is using the following software versions and options: gphoto2 2.5.28.1 gcc, popt(m), exif, no cdk, no aa, no jpeg, no readline libgphoto2 2.5.29 standard camlibs, gcc, no ltdl, EXIF libgphoto2_port 0.12.0 iolibs: disk ptpip serial usb1 usbdiskdirect usbscsi, gcc, no ltdl, EXIF, USB, serial without locking

To Reproduce Steps to reproduce the behavior: gphoto2 --set-config "Live View Size"=Large gphoto2 --get-config "Live View Size" ... Current: QVGA