Fix CodeQL SM02211 alert

[sw-joelmut]

Fixes #6506 #6508 #6509

Description

This PR fixes the CodeQL SM02211 alert related to unsafe JsonSerializer TypeNameHandling usage.

Specific Changes

• Updates the MemoryStorage disabling the alert.
  • Added a unit test validating that the setting is required.
• Updates the ObjectPath, removing the global serialization setting and setting the TypeNameHandling to the default None.
• Updates the ResourceExplorer, removing the TypeNameHandling property defaulting to None.

Testing

The following image shows the tests for the three classes passing successfully.

[coveralls]

Pull Request Test Coverage Report for Build 328965

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 36 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.04%) to 79.055%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetNextViableTime.cs	1	90.91%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetPreviousViableTime.cs	1	90.91%
/libraries/Microsoft.Bot.Builder.Dialogs/ObjectPath.cs	34	82.38%

Totals
Change from base Build 328804:	0.04%
Covered Lines:	25613
Relevant Lines:	32399

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💛 - Coveralls

[BruceHaley]

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