[ADF-2849] Search Date Range - Set the format of the date from config (#3288)

* format date chosen from the datePicker's calendar

* format date on focusout event

* fix tests & some code refactoring

* more validation messages

* unit tests

* fix typecast error

* move "dateFormat" to be part of the "date range" widget settings block

* fix error on Moment

"...Type 'moment.Moment' is not assignable to type 'moment.Moment'. Two different types with this name exist, but they are unrelated.
          Property 'isLocal' is missing in type 'Moment'..."

* moment - use old version

* change script - use recent version of moment

demo-shell/src/app.config.json

@@ -145,7 +145,8 @@
           "component": {
             "selector": "date-range",
             "settings": {
-              "field": "cm:created"
+              "field": "cm:created",
+              "dateFormat": "DD-MMM-YY"
             }
           }
         },