Update the action button text...Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/non-clustered-heatmaps-and-flipping.gmi
* Update the action button text to more closely correspond to the
action that the button triggers.
Enable selection of heatmap orientation...Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/non-clustered-heatmaps-and-flipping.gmi
* Provide the user with the UI elements to enable them select the
orientation of the heatmap that will be produced.