[FEATURE] Table: Keyboard Handling
[FEATURE] Table: Keyboard Handling

- F4 for Column Menu Open
- Enter Handling for Column Menu Close

Change-Id: Ic0a8ac73ed5089aaee9dfcdcaf50483edb2038d0

cschuff/openui5,SQCLabs/openui5,nzamani/openui5,olirogers/openui5,nzamani/openui5,SAP/openui5,SAP/openui5,SAP/openui5,SAP/openui5,olirogers/openui5,cschuff/openui5,nzamani/openui5,olirogers/openui5,cschuff/openui5,SQCLabs/openui5,SQCLabs/openui5