[DataGrid] Fix document reference when the grid is rendered in a popup window #14649
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Fixes #14591
Initially, the root element reference is
null
.In
useEffect
that runs on init thedocument
reference will point to the main window's document, since this util is being used to get it.Issue will not be visible unless the grid is actually rendered in another window (popup). In that case, some event listeners will end up being attached to the wrong document.
Callbacks and other event handlers that are triggered after user actions are fine, since the reference is there by that time.
I have updated all places where
ownerDocument
is being used on first render.