Draft mode before saving settings

[abantecart]

Offer ability to preview changes before they will be applied.

Draft changes will be automatically saved and applied on draft preview mode.

These feature will allow to preview and test settings and other updates before they will be applied and saved.

[Evolution]

To be honest, I find this as a "nice to have" feature, but it's not necessarily important to me.

Then again, I consider myself a moderately to experienced user, so maybe for usability and user friendliness, this might be important.