Do not compute cardinality with the map
execution hint
#38169
Merged
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In #38158 we ensured that global ordinals are not loaded when another execution hint is explicitly set
on the source. This change is a follow up that addresses a comment
https://github.com/elastic/elasticsearch/pull/38158/files/dd6043c1c019974fe1c58810384b89e30cd8b89b#r252984782 added after the merge.