perf: #3561960 Combine the database queries in ::loadFromSharedTables() and...

catchrequested to merge
issue/drupal-3561960:3561960-11x into 11.x

perf: #3561960 Combine the database queries in ::loadFromSharedTables() and ::loadFromDedicatedTables()

By: catch By: alexpott By: heddn

Closes #3561960

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