FIX Warning in TableRow.jsx

[decagondev]

Moved the idx to the outer div in the else statement

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https://bloomtechlabs.atlassian.net/browse/BL-637

Type of change

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
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Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have removed unnecessary comments/console logs from my code
• My changes generate no new warnings
• I have checked my code and corrected any misspellings
• No duplicate code left within changed files
• Size of pull request kept to a minimum
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