Add "Ignore: Italic" to the codes menu, during search & replace

After creating an old file, in another program, I imported it over into WP.

Yet, a lot of paragraph-related codes, showed up, during conversion.

So, I had to invoke search + replace, many times to get rid of them.

Surprisingly, though, not all were available, under search + replace. "Ignore: Italic", for instance, was one of them.

This shold be an easy fix!