Change of FlaggedRevs review status from "unapproved" to "inadequate"

The following messages should have been fuzzied:

• Revreview-accuracy-0 ("Inadequate")
• Revreview-depth-0 ("Inadequate")
• Revreview-style-0 ("Inadequate")
• Review too low ("Revision cannot be reviewed with some fields left "inadequate".")

 Done