fix(TableStateful): Prevent in-place sorting in TableStateful to restore initial sort on NOS

[larrrssss]

Problem

When using TableStateful, sorting a column modifies the original data array (_data) in place. As a result:

• When users sort columns and then deselect sorting (i.e., return to "no sort" state / NOS), the table does not return to the original order.
• The original sort is lost since it was overwritten by the last sorting operation.

Root Cause

In-place mutation of the _data array using .sort() mutates the original state reference, losing the pristine initial sort order.

Changes

• Replaced reference assignment let sortedData = this.state._data with a spread copy const sortedData = [...this.state._data]
• Applied sort on the copy instead of the original state

This PR fixes #7634

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