minor changes appointmentlink and task

entity/AppointmentLink_entity/AppointmentLink_entity.aod

@@ -2,6 +2,8 @@
 <entity xmlns="http://www.adito.de/2018/ao/Model" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" VERSION="1.3.10" xsi:schemaLocation="http://www.adito.de/2018/ao/Model adito://models/xsd/entity/1.3.10">
   <name>AppointmentLink_entity</name>
   <majorModelMode>DISTRIBUTED</majorModelMode>
+  <title>Connection</title>
+  <titlePlural>Connections</titlePlural>
   <recordContainer>db</recordContainer>
   <entityFields>
     <entityProvider>

entity/Task_entity/Task_entity.aod

@@ -53,6 +53,7 @@
       <title>{$TASK_EDITOR}</title>
       <consumer>ContactEditors</consumer>
       <linkedContext>Person</linkedContext>
+      <mandatory v="true" />
       <displayValueProcess>%aditoprj%/entity/Task_entity/entityfields/editor_contact_id/displayValueProcess.js</displayValueProcess>
     </entityField>
     <entityField>