only set contract id on successful validation

[gproanomsft]

Problem: Contract Id attempt to be set at all times, which meant on a failing validation a nullreference would occur

Solution: Only set it on success

Validation:

Type of change:

• [ ] Feature work
• [x ] Bug fix
• [ ] Documentation
• [ ] Engineering change
• [ ] Test
• [ ] Logging/Telemetry

Risk:

• [ ] High – Errors could cause MAJOR regression of many scenarios. (Example: new large features or high level infrastructure changes)
• [ ] Medium – Errors could cause regression of 1 or more scenarios. (Example: somewhat complex bug fixes, small new features)
• [ x] Small – No issues are expected. (Example: Very small bug fixes, string changes, or configuration settings changes)

[beejones]

please also update the version Thanks