fix display value appointment link

entity/AppointmentLink_entity/AppointmentLink_entity.aod

@@ -135,10 +135,6 @@
           <name>OBJECTTYPE.value</name>
           <recordfield>AB_APPOINTMENTLINK.OBJECT_TYPE</recordfield>
         </dbRecordFieldMapping>
-        <dbRecordFieldMapping>
-          <name>OBJECTID.displayValue</name>
-          <expression>%aditoprj%/entity/AppointmentLink_entity/recordcontainers/db/recordfieldmappings/objectid.displayvalue/expression.js</expression>
-        </dbRecordFieldMapping>
         <dbRecordFieldMapping>
           <name>AB_APPOINTMENTLINKID.value</name>
           <recordfield>AB_APPOINTMENTLINK.AB_APPOINTMENTLINK_ID</recordfield>

entity/AppointmentLink_entity/entityfields/objectid/displayValueProcess.js

-import("system.db");
+import("system.neon");
 import("system.vars");
+import("system.db");
 import("system.result");
-import("Context_lib")
+import("Context_lib");
 
-result.string(db.cell(ContextUtils.getNameSql(vars.get("$field.OBJECTTYPE"), vars.get("$field.OBJECTID"))));
\ No newline at end of file
+if(vars.get("$sys.recordstate") == neon.OPERATINGSTATE_NEW && !vars.get("$field.OBJECTID")) {
+    result.string("");
+} else if (vars.exists("$field.OBJECTTYPE") && vars.get("$field.OBJECTTYPE")) {
+    result.string(db.cell(ContextUtils.getNameSql(vars.get("$field.OBJECTTYPE"), vars.get("$field.OBJECTID"))));
+}
\ No newline at end of file

entity/AppointmentLink_entity/recordcontainers/db/recordfieldmappings/objectid.displayvalue/expression.js

-import("system.result");
-import("Context_lib");
-
-result.string(ContextUtils.getNameSubselectSql("OBJECT_TYPE", "OBJECT_ROWID"))
\ No newline at end of file