Apply parts of T310423 to wmf wikis
# **ALTERs to run:** https://gerrit.wikimedia.org/r/c/mediawiki/extensions/LiquidThreads/+/804738/3/sql/mysql/patch-user_message_state-ums_read_timestamp.sql
# **Where to run those changes:** According to the config only on (please verifiy, I am not sure if on x1 or on s1-s8)
#- enwikinews
#- enwiktionary
#- fiwikimedia
#- huwiki
#- mediawikiwiki
#- officewiki
#- ptwikibooks
#- sewikimedia
#- strategywiki
#- svwikisource
#- test2wiki
#- testwiki
#- wikimania2010wiki
# **When to run those changes:** any time
# **If the schema change is backwards compatible:** Yes
# **If the schema change has been tested already on some of the test/beta wikis:** not running on beta
# **if the data should be made available on the labs replicas and/or dumps:** no change of the existing rules
[] s2
[] s3
[x] s6
[x] s7