feat: reset auto resizing column widths on resetColumnWidths

[jajugoguma]

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• It's submitted to right branch according to our branching model
• It's right issue type on title
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
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• It does not introduce a breaking change or has description for the breaking change

Description

• Extends the functionality of the resetColumnWidths method.
  • Previously, an error occurred when did not pass a widths array to this method.
  • So, I modified the behavior to reset auto column width when this array is not given.

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Thank you for your contribution to TOAST UI product. 🎉 😘 ✨

[adhrinae]

리뷰 완료합니다.

[lja1018]

리뷰 완료합니다.