[#5837] Fix sentiment values not being set for None / Unknown intent

[sw-joelmut]

Fixes #5837

Description

This PR adds the properties object into the RecognizerResult instances in the CrossTrainedRecognizerSet and Recognizer classes, and also adds unit tests to corroborate the properties object is being set correctly.

Specific Changes

• Adds the Properties attribute value into multiple RecognizerResult instances from the CrossTrainedRecognizerSet and Recognizer classes.
• Adds unit tests for multiple cases to corroborate the Properties attribute is being set correctly.

Testing

The following images show the new unit tests passing and the bot responding with the included properties in the trace activity.

[BruceHaley]

✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Dialogs.dll

[coveralls]

Pull Request Test Coverage Report for Build 306789

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 13 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.001%) to 78.947%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Recognizers/CrossTrainedRecognizerSet.cs	1	95.77%
/libraries/Microsoft.Bot.Builder.Dialogs/Recognizer.cs	12	66.67%

Totals
Change from base Build 305828:	0.001%
Covered Lines:	25379
Relevant Lines:	32147

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💛 - Coveralls