Improve T-SQL Result Set Viewing Experience

[ryomaru0825]

It would be helpful to enhance the T-SQL result set viewer with the following features:

• Display full content of the selected cell when the text is truncated due to narrow column width

• Allow manual adjustment of column width

• Show query execution statistics such as scan count, cache hits, etc.

• Enable Copilot to explain the selected record

These enhancements would make it easier to inspect and understand query results, especially during debugging and tuning tasks.