Protects addConditionGroup() from iterating over an invalid array#42

morvans wants to merge 1 commit intodrupal-graphql:8.x-1.xdrupal-graphql/graphql-search-api:8.x-1.xfrom

icilalune:empty-condition-group-argumenticilalune/graphql-search-api:empty-condition-group-argumentCopy head branch name to clipboard