Alf Eaton 1760d93fc4 Upgrade React to v17 (#4201) ... * Upgrade react and react-dom * Fix test * Ensure that the "history:toggle" event is broadcast when switching in or out of history view * Add ControlledDropdown * Remove DropdownButton stories GitOrigin-RevId: 3810f6986bb60e59af31f960f431c31be16554f5		2021-06-19 02:08:29 +00:00
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web	Upgrade React to v17 (#4201)	2021-06-19 02:08:29 +00:00