Correct bug with Connect-IPPSSession error handling

[adhilto]

🗣 Description

Ensure the DLPLicense variable gets defined even if Connect-IPPSSession throws an exception.

💭 Motivation and context

Closes #1191.

🧪 Testing

• Tested on a tenant with an expired license - results in invalid json on main
• Tested on a tenant with an expired license - exception properly handled on this branch, no malformed json produced
• Tested on a tenant that does not result in an exception - executed like normal as expected

✅ Pre-approval checklist

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✅ Pre-merge checklist

• PR passed smoke test check.

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✅ Post-merge checklist

• Feature branch deleted after merge to clean up repository.
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[dagarwal-mitre]

Looks good!

[james-garriss]

Nice.

[adhilto]

@nanda-katikaneni this one's ready to merge