Cherrypick security fixes

Regression: Fix watchlist a-z

Introduced by I2929218dfc5188aba71fad08912d0a8043a12c7c
(The A-Z view has no concept of the recent changes table)

ChangeId: I9ae0cce066476927239ca0958bbb8cba25524fe7

Bug 55815 - SpecialMobileWatchlist ignores rc_deleted
ChangeId: I2929218dfc5188aba71fad08912d0a8043a12c7c

Change-Id: I430516a199240832143b69c2abb4c281eae8cd0f