[FIX] sap.m.Panel: Blurred text in IE
[FIX] sap.m.Panel: Blurred text in IE

Change-Id: I101cebdbd31bfa652a5de3a0c295636d065c4a49
BCP: 1770566752

SAP/openui5,SAP/openui5,SAP/openui5,cschuff/openui5,cschuff/openui5,cschuff/openui5,SAP/openui5