Summary:
Previously every single visualisation node would have jsx for a tooltip and would control its own tooltop. now we have the overlay we can have just one. this improves perf a bit and simplifies the code.
i also increased the delay slightly
Reviewed By: lblasa
Differential Revision: D46274098
fbshipit-source-id: cb8afbc4804c549da9abf33d69aaf190397f74c7
74ecbec9e6