[DSSC] Allow 900 memory cells for DSSC darks to workaround appearance of cell 810
Description
Hotfix already deployed by @esobolev to workaround the sudden appearance of cell 810 in the DSSC data stream. This check should disappear entirely in the long run.
How Has This Been Tested?
Used in production
Types of changes
- Bug fix (non-breaking change which fixes an issue)