Converting a Smart Object to a regular layer rasterizes the content at the current size. Convert a Smart Object to a regular layer only if you no longer need to edit the Smart Object data. Transforms, warps, and filters applied to a Smart Object are no longer editable after the Smart Object is rasterized.
Select
the Smart Object, and choose Layer > Rasterize >
Smart Object.
If you want to re-create the Smart
Object, reselect its original layers and start from scratch. The
new Smart Object won’t retain transforms you applied to the original
Smart Object.