* add user flag feature to annomatrix
* add implicit subsetting for partial embeddings
* lint
* add embedding cell counts to embedding choice menu
* layout
* embedding
* menu bottom left
* button
* change gutters to support lower toolbar
* fix scatterplot layout
* fix tests to match new layout
* fix smoke tests to match new layout
* better sentence, dataset.nObs to top
* scatterplot position
Co-authored-by: bkmartinjr <bruce@chanzuckerberg.com>