Fix "Cannot read properties of undefined". Closes #3070
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@ -13,6 +13,7 @@ const useStyles = makeStyles((theme) => ({
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export const SizeField = ({ source, ...rest }) => {
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const classes = useStyles()
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const record = useRecordContext(rest)
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if (!record) return null
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return <span className={classes.root}>{formatBytes(record[source])}</span>
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}
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