fix(amazonq): add follow up button

Author: David Hasani

plugins/amazonq/codetransform/jetbrains-community/src/software/aws/toolkits/jetbrains/services/codemodernizer/constants/CodeTransformChatItems.kt

@@ -600,6 +600,7 @@ fun buildTransformResultChatContent(result: CodeModernizerJobCompletedResult, to
         } else {
             null
         },
+        followUps = listOf(startNewTransformFollowUp),
     )
 }