[INTERNAL][FIX] sap.m.Select: Restricted force focus of self element for IE
[INTERNAL][FIX] sap.m.Select: Restricted force focus of self element for IE

Problem: A history improvement of focusin event for IE leads to problems in modern browsers
where focus gets stuck on the Select

Solution: Restrict the improvement for IE only.

Change-Id: I77d711718cfb3af3aeb53fdee3b2386acf0da3c9
JIRA: BGSOFUIPIRIN-4533

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