Move Tree Direction and MiniMap visibility buttons to Control section

[dpgraham4401]

Right now the buttons that control the direction of the decision tree and whether the mini map is visible are located in the header section.

We're also using the default control center provided by the react flow library. These two groups of buttons (the ones in the headers and ones in the control center) both fall under the same catagroies of controls and should be in the same place to provided a cohesive experience.

I addition, that will make way for us to add more options/dropdown/etc. to the header section.

See the <ControlButton /> component documentation.
https://reactflow.dev/api-reference/components/control-button

[dpgraham4401]