[INTERNAL] P13nDialog: new callback updateShowResetEnabled
[INTERNAL] P13nDialog: new callback updateShowResetEnabled

Change-Id: I2cdc0c7706ec049f43e2eefd6305016d1a10c297
BCP: 1870303763

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