[FIX] sap.ui.commons.Dialog: Minium size is properly calculated when there is no size constraint
[FIX] sap.ui.commons.Dialog: Minium size is properly calculated when there is no size constraint

Change-Id: I8192034a2398e8fce10082c0d671a0ca2a8d8ca2

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