Update actual size
Closes ui/daiquiri-tomo#134 (closed)
This sync the actual detector size based on the BLISS image ROI
- BLISS cache this image ROI state, as result Tango Lima is not aware of such change.
- Plus i am not sure what means
image_sizes
: 1. the size of the actual stored image (last image), or 2. the actual configuration of the detector for the next frame