add Icons for Marketing Contexts

entity/BulkMail_entity/BulkMail_entity.aod

@@ -5,6 +5,7 @@
   <icon>VAADIN:AT</icon>
   <title>Bulk mail</title>
   <contentTitleProcess>%aditoprj%/entity/BulkMail_entity/contentTitleProcess.js</contentTitleProcess>
+  <iconId>VAADIN:AT</iconId>
   <titlePlural>Bulk mails</titlePlural>
   <recordContainer>db</recordContainer>
   <entityFields>

entity/CampaignPlanning_entity/CampaignPlanning_entity.aod

@@ -2,12 +2,12 @@
 <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>CampaignPlanning_entity</name>
   <majorModelMode>DISTRIBUTED</majorModelMode>
-  <icon>NEON:GROUP_APPOINTMENT</icon>
   <title>Campaign planning</title>
   <siblings>
     <element>Campaign_entity</element>
     <element>CampaignStep_entity</element>
   </siblings>
+  <iconId>NEON:GROUP_APPOINTMENT</iconId>
   <recordContainer>jditoRecordContainer</recordContainer>
   <entityFields>
     <entityProvider>

entity/DocumentTemplate_entity/DocumentTemplate_entity.aod

@@ -6,6 +6,7 @@
   <title>Document Template</title>
   <contentTitleProcess>%aditoprj%/entity/DocumentTemplate_entity/contentTitleProcess.js</contentTitleProcess>
   <afterUiInit>%aditoprj%/entity/DocumentTemplate_entity/afterUiInit.js</afterUiInit>
+  <iconId>VAADIN:FILE_FONT</iconId>
   <titlePlural>Document templates</titlePlural>
   <recordContainer>db</recordContainer>
   <entityFields>

entity/SerialLetter_entity/SerialLetter_entity.aod

@@ -5,6 +5,7 @@
   <icon>VAADIN:ENVELOPES</icon>
   <title>Serial letter</title>
   <contentTitleProcess>%aditoprj%/entity/SerialLetter_entity/contentTitleProcess.js</contentTitleProcess>
+  <iconId>VAADIN:ENVELOPE</iconId>
   <titlePlural>Serial letters</titlePlural>
   <recordContainer>db</recordContainer>
   <entityFields>