[AAE-9200] - Be able to customise task/process list and header date f… (#7711)

* [AAE-9200] - Be able to customise task/process list and header date formats

* Update json schema

* Revert schema changes

* Update task and process name translation values

* move task/process header date formats inside header config

* Add documentation

* Update documentation

* Use a fixed timezone for unit tests of core and cloud

* Fix e2e due to column rename

* More e2e fixes due to column rename, remove test covered by unit test

lib/testing/src/lib/protractor/process-services-cloud/pages/process-list-cloud-component.page.ts

@@ -25,7 +25,7 @@ export class ProcessListCloudComponentPage {
 
     columns = {
         id: 'Id',
-        name: 'Name',
+        name: 'Process Name',
         processDefinitionName: 'Process Definition Name'
     };
 

lib/testing/src/lib/protractor/process-services-cloud/pages/task-list-cloud-component.page.ts

@@ -23,7 +23,7 @@ import { DataTableColumnSelector } from '../../core/pages/data-table/columns-sel
 
 const column = {
     id: 'Id',
-    name: 'Name',
+    name: 'Task Name',
     processInstanceId: 'ProcessInstanceId',
     processDefinitionId: 'ProcessDefinitionId',
     assignee: 'Assignee',