[FIX] sap.m.StepInput: No infinite spin on long press
[FIX] sap.m.StepInput: No infinite spin on long press

BCP: 002075129400007623142021
Change-Id: Ia1a76b78ae04e3705bf96a88aa10bff494234356

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