[FIX] sap.m.Button: prevent icon tooltip when "type" is set
[FIX] sap.m.Button: prevent icon tooltip when "type" is set

- added "useIconTooltip=false" to "type" icon (e.g. back)
- make use of given ID for "type" icon
- correctly set parent of "type" icon
- removed redundant double negation

BCP: 1570472528
Change-Id: I6bfd1db1cdfc95b690a32e8d245c608ec169ae34

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