Follow up to T312984: Adjust the field type of flaggedpages.fp_pending_since to fixed binary on wmf wikis
It seems fp_pending_since got fully fixes but these three didn't: fr_timestamp, fr_rev_timestamp and frs_timestamp and only in a subset of sections:
Progress
- s1: NA
- s2: Done
- s3: Done
- s4: NA
- s5: NA
- s6: NA
- s7: Only needed in db1158, done
- s8: NA