[INTERNAL][FIX] dynamic sap-ui-core.js in IE 8/9

Change-Id: I799fd6480ca0b0f4615195f5d229ab102404a1e1
(cherry picked from commit 8f2320c59f8def2092f5c333104dc0a3097fb746)
CR-Id: 012006153200015147232014
Merge "[INTERNAL][FIX] dynamic sap-ui-core.js in IE 8/9" into rel-1.26