[INTERNAL] P13nConditionPanel.js : avoid NaN in number value field
[INTERNAL] P13nConditionPanel.js : avoid NaN in number value field

BCP: 1880084785
Change-Id: I6e6a6db5f935464fe79807a4886c6e6ce8eee4a3

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