feat(app-panel): improve parameter UI (#4)

* Update count_type to list with raw, clean, filt, norm options (default: filt)

* Move count_type to first position in Basic category

* Update heatmap panel controls

* Rename heatmap basic input category

* Add heatmap gene clustering options

* Split heatmap ordering categories

* Refine heatmap display categories

* Finalize heatmap category layout

* Rename heatmap categories

* Clarify heatmap scaling descriptions

* Rename heatmap display category

* Update heatmap display icon

* Update changelog for parameter UI changes

* Add author handle to changelog entry

Author: phoman14