add lognormalization to celltypist component #1083
                
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Changelog
lognormalizes raw count data to a target sum of 10000. Previously we allowed passing a lognormalized count layer, but data processed by OpenPipeline process_samples have a dynamic target_sum (mean total counts of observations).
Issue ticket number and link
Closes #xxxx (Replace xxxx with the GitHub issue number)
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Proposed changes are described in the CHANGELOG.md
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