Fixed incorrect cast error.

LeeParrishMSFT · LeeParrishMSFT · commit 3919cf76977e · 2021-07-08T16:16:17.000-05:00
diff --git a/libraries/bot-dialogs/src/main/java/com/microsoft/bot/dialogs/prompts/OAuthPrompt.java b/libraries/bot-dialogs/src/main/java/com/microsoft/bot/dialogs/prompts/OAuthPrompt.java
@@ -266,7 +266,7 @@ public static CompletableFuture<PromptRecognizerResult<TokenResponse>> recognize
             Object tokenResponseObject = turnContext.getActivity().getValue();
             TokenResponse token = null;
             if (tokenResponseObject != null) {
-                token = (TokenResponse) tokenResponseObject;
+                token = Serialization.getAs(tokenResponseObject, TokenResponse.class);
             }
             result.setSucceeded(true);
             result.setValue(token);

Original file line number	Diff line number	Diff line change
`@@ -266,7 +266,7 @@ public static CompletableFuture<PromptRecognizerResult<TokenResponse>> recognize`
`266`	`266`	`Object tokenResponseObject = turnContext.getActivity().getValue();`
`267`	`267`	`TokenResponse token = null;`
`268`	`268`	`if (tokenResponseObject != null) {`
`269`		`- token = (TokenResponse) tokenResponseObject;`
	`269`	`+ token = Serialization.getAs(tokenResponseObject, TokenResponse.class);`
`270`	`270`	`}`
`271`	`271`	`result.setSucceeded(true);`
`272`	`272`	`result.setValue(token);`