src/vs/workbench/contrib/notebook/common/notebookOptions.ts/NotebookOptions/_computeBottomToolbarDimensions
class NotebookOptions:	private _computeBottomToolbarDimensions(compactView: boolean, insertToolbarPosition: 'betweenCells' | 'notebookToolbar' | 'both' | 'hidden', insertToolbarAlignment: 'left' | 'center', cellToolbar: 'right' | 'left' | 'hidden'): { bottomToolbarGap: number; bottomToolbarHeight: number } {
		if (insertToolbarAlignment === 'left' || cellToolbar !== 'hidden') {
			return {
				bottomToolbarGap: 18,
				bottomToolbarHeight: 18
			};
		}

		if (insertToolbarPosition === 'betweenCells' || insertToolbarPosition === 'both') {
			return compactView ? {
				bottomToolbarGap: 12,
				bottomToolbarHeight: 20
			} : {
				bottomToolbarGap: 20,
				bottomToolbarHeight: 20
			};
		} else {
			return {
				bottomToolbarGap: 0,
				bottomToolbarHeight: 0
			};
		}
	}