Fix wrong opencore-version reporting without resetting nvram

I just did an upgrade from OpenCore 0.5.8 to 0.7, and run into this OpenCore version reporting issue: https://github.com/acidanthera/bugtracker/issues/1539

The recommended fix is to reset nvram. However, I don't really want to do that since I don't want to take the risk of messing up my Windows boot.

I also tried the suggestion from: https://github.com/acidanthera/bugtracker/issues/1641 and it didn't help.

I ended up with using config.plist to fix the problem. I added an new entry in the "Delete" section of NVRAM section in config.plist(see the attached screenshot). After rebooting, OpenCore reported correct version.

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https://preview.redd.it/ap8tg3g91k571.png?width=1238&format=png&auto=webp&s=ec831db27b279c82263b26b8cae5981a7dfea04b