fix: update access modifiers in QnAMakerDialog

[chon219]

Fixes #3214

Description

Some methods and properties in QnAMakerDialog are incorrect and not aligned with the implementation in C#.

Specific Changes

• Updated access modifiers for methods and properties in QnAMakerDialog
• Removed strictFiltersJoinOperator in QnAMaker and QnAMakerDialog to align with C# design
• Added missing logPersonalInformation property to QnAMakerRecognizer

Testing

Updated tests to reflect changes.

[joshgummersall]

Couple quick suggestions.

[coveralls]

Pull Request Test Coverage Report for Build 522289347

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 68 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.1%) to 84.675%

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Files with Coverage Reduction	New Missed Lines	%
libraries/botbuilder-ai/src/qnaMaker.ts	1	96.15%
libraries/botbuilder-ai/src/qnaMakerRecognizer.ts	8	78.09%
libraries/botbuilder-ai/src/qnaMakerDialog.ts	59	56.47%

Totals
Change from base Build 522086506:	-0.1%
Covered Lines:	18196
Relevant Lines:	20501

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💛 - Coveralls

[joshgummersall]

@stevengum I merged in main and resolved conflicts/lint errors.