Merge branch 'marketing_2000951_existsError' into '2021.2.1'

[Projekt: xRM-Marketing][TicketNr.: 2000951][Fehler bei Kampagnenteilnehmer:...

See merge request xrm/basic!1423

entity/CampaignParticipant_entity/recordcontainers/db/recordfieldmappings/advertisingban_icon.value/expression.js

@@ -10,4 +10,4 @@ var condition = new CommunicationSettingsCondition()
     .existSettings()
     .buildCondition();
     
-result.string(condition.toString());
\ No newline at end of file
+result.string("case when " + condition.toString() + " then 1 else 0 end");
\ No newline at end of file