Detect reverts differently
Detect reverts differently

The previous way that's getting reverted in the previous patch
depended on a core change that was too pervasive to keep.

Bug: T189819
Bug: T190374
Change-Id: I16cb983266885055f187d1c7069fc519f2ee0576
Depends-On: I12cb7470aeb7852ddea319c7e499ca3a7b45c84c

wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo,wikimedia/mediawiki-extensions-Echo