Adding the ability to copy text from the preview

Please add the ability to copy text from the table preview in markdown document format. now it just displays a table, without the ability to select a line/lines and copy the text.



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  <summary>Image </summary>

   <img src="https://github.com/user-attachments/assets/ffa57d97-f8e9-4062-9b36-2c199dcfbbc3" width="300">

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