Fix bug in sortData subRows

[ghost]

Fix sort subRows stop recursion when subRows length is one.
If row.subRows length is one, the subRows of row.subRows[0] will not sort in recursion

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[tannerlinsley]

Why would you need to sort a single row?

[ghost]

Because I want to sort subRows data in recursion. If I have data[n].subRows[0].subRows[0].subRows[0] data set and data[0].subRows length is one, I can't sort the data in data[n].subRows[0] and subRows of the data in data[n].subRows[0]

You can find the case in https://codesandbox.io/embed/boring-sanne-d56h1?fontsize=14&hidenavigation=1&theme=dark

@tannerlinsley

[ghost]

@tannerlinsley Can you take a look?

[tannerlinsley]

Ah. I see. Good find.

[tannerlinsley]

🎉 This PR is included in version 7.3.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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