[FIX] sap.m.LightBox: Image loads correctly after waiting to load
[FIX] sap.m.LightBox: Image loads correctly after waiting to load

Change-Id: I2e3ecea24ead95e672edb1ddaf70690c2c90322c
BCP: 1770069217

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