[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

docs/core/components/datatable.component.md

@@ -847,6 +847,16 @@ here is the sample resolver which merge the users property and status and it wil
 
 ![](../../docassets/images/custom-data-table-resolver.png)
 
+# Tooltip
+
+You can define the tooltip format for cells of type date using a configuration in `app.config.json`:
+
+```json
+ "dateValues": {
+    "defaultTooltipDateFormat": "medium"
+ }
+```
+
 ## See also
 
 -   [Data column component](data-column.component.md)