caos.backends.pgsql.transformer: Always evaluate paths in disjuncation as weak
caos.backends.pgsql.transformer: Always evaluate paths in disjuncation as weak

Disjunction should always 'weaken' all paths it contains.  Previously a
conjunction within a disjunction was always evaluated strongly which in
context of one CTE resulted in a wrong mix of joins.  In other words,
do not try to INNER JOIN to a LEFT JOIN.

edgedb/edgedb,edgedb/edgedb,edgedb/edgedb