Update property type (#16757)

Author: DonJayamanne

src/standalone/chat/helper.ts

@@ -65,7 +65,7 @@ export abstract class BaseTool<T extends IBaseToolParams> implements LanguageMod
             throw ex;
         } finally {
             const isCancelled = token.isCancellationRequested || (error ? isCancellationError(error, true) : false);
-            const failed = !!error || isCancelled;
+            const failed = !!error || isCancelled ? 'true' : 'false';
             const failureCategory = isCancelled
                 ? 'cancelled'
                 : error

src/telemetry.ts

@@ -4414,7 +4414,7 @@ export class IEventNamePropertyMapping {
          * Whether there was a failure.
          * Common to most of the events.
          */
-        failed: boolean;
+        failed: 'true' | 'false';
         /**
          * A reason that we generate (e.g. kerneldied, noipykernel, etc), more like a category of the error.
          * Common to most of the events.