Issue #2247211 by blueminds, amateescu, xjm: Fixed Autocomplete widget doesn't work on entity labels without a " (entity_id)" suffix.
Issue #2207377 by sun, xjm: Fixed Bogus "Enabled modules: ." assertions in test results when test enables no modules.
Merge 8.,x
Issue #2269129 by sqndr, michaelfavia: Fixed Permissions sticky header is not place correctly.
Issue #2279339 by chx: Fixed NumberFieldTest is slightly and subtly broken .
Issue #2273971 by xjm, martin107: Fixed migrate EntityComment should use the $row->stub() method.
Issue #2274175 by tim.plunkett, vijaycs85: Block plugin schema should be defined separately from the entity.
Update vendor.
Fixes PagerTest.