[FIX] sap.ui.table.Table: Column Resizing went wrong when using em
[FIX] sap.ui.table.Table: Column Resizing went wrong when using em

* em/rem values of columns were handled wrong on column resize

Change-Id: Idd7a878cbef81d0e6d45a599b650a2fafecd87d0
BCP: 1580030460

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