[FEATURE] sap.ui.unified.Calendar: Introduce F6 handling
[FEATURE] sap.ui.unified.Calendar: Introduce F6 handling

Change-Id: I4596c9bf75be181aff07d2e81954bd561480af14
cschuff/openui5,olirogers/openui5,cschuff/openui5,nzamani/openui5,SAP/openui5,olirogers/openui5,olirogers/openui5,cschuff/openui5,nzamani/openui5,SQCLabs/openui5,SAP/openui5,SQCLabs/openui5,SAP/openui5,SAP/openui5,SQCLabs/openui5,nzamani/openui5