fix(react): Set handled
value in ErrorBoundary depending on fallback
#10989
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This PR adjusts when we mark errors caught in our React SDK's
ErrorBoundary
as handled/unhandled.Previously, we made a change to always mark such errors as unhandled (#8914). However, as pointed out and discussed in #10985, this isn't always the best default value. I propose we set handled/unhandled depending on the presence of the
fallback
component. If users specify a fallback, I think it's safe to mark the error handled, given that users show something else instead of the errored component.Would appreciate thoughts from our React experts ;)
closes #10985