Dual Function Button for Split Panel

I was thinking that the Split View and Schedule selectors at the bottom could be turned into a single dual purpose button.

Instead of two buttons to show Split View & Schedule, we could just tap this single button to open and close the Split Panel view. 😄

I always instinctively try to open and close the Split View by double clicking one of these buttons already and keep forgetting it doesn't work that way 😂