Port this change from botbuilder-dotnet/master branch:
microsoft/botbuilder-dotnet#4153

Fixes #3980

Description

Change dialogContext to capture exceptions and annotate exception with contextual information about where the exception happened.

Specific Changes

• Add try/catch handlers to dialogContext methods to set Exception.Data["dialogContext'] with metadata about the context that the exception was thrown.

Testing

• Updated existing OnError testing to test and validate for the dialog context data

Example exception metadata

{ ..., "data": { "DialogContext": { "ActiveDialog": "SetProperty[=`foo`]", "Parent": "innerDialog", "Stack": [ "SetProperty[=`foo`]", "innerDialog", "planningTest" ], } } 

Changed projects

• Microsoft.Bot.Builder.Dialogs
• Microsoft.Bot.Builder.Dialogs.Tests