Card is blurred on click of buttons

Meghana-MSFT 

I am able to send card to the Channel but card is still blurred on click

const turnContext = new TurnContext(adapter, properties);
const teamsChannelId = await teamsGetChannelId(turnContext.activity);
const activity = MessageFactory.text('This will be the first message in a new thread');
BotConnector.MicrosoftAppCredentials.trustServiceUrl(properties.serviceUrl);
const [reference] = await TeamsInfo.sendMessageToTeamsChannel(turnContext, activity, teamsChannelId);
const card = MessageFactory.attachment(CardFactory.adaptiveCard(
      {
        '$schema': 'http://adaptivecards.io/schemas/adaptive-card.json',
        'type': 'AdaptiveCard',
        'version': '1.5',
        'body': [
          {
            'type': 'Container',
            'horizontalAlignment': 'Center',
            'spacing': 'Medium',
            'items': [
              {
                'type': 'ColumnSet',
                'columns': [
                  {
                    'type': 'Column',
                    'width': 'auto',
                    'items': [
                      {
                        'type': 'Image',
                        'url': 'https://cdn-icons-png.flaticon.com/512/456/456212.png',
                        'width': '20px',
                        'spacing': 'None',
                        'id': 'icon1'
                      }
                    ]
                  },
                  {
                    'type': 'Column',
                    'width': 'auto',
                    'items': [
                      {
                        'type': 'TextBlock',
                        'text': '0 votes (Anonymous)',
                        'wrap': true,
                        'id': 'text1',
                        'spacing': 'Small',
                        'horizontalAlignment': 'Left'
                      }
                    ]
                  },
                  {
                    'type': 'Column',
                    'width': 'auto',
                    'items': [
                      {
                        'type': 'Image',
                        'url': 'https://cdn-icons-png.flaticon.com/512/456/456212.png',
                        'width': '20px',
                        'spacing': 'None',
                        'id': 'icon2',
                        'separator': true,
                        'horizontalAlignment': 'Right'
                      }
                    ],
                    'separator': true,
                    'horizontalAlignment': 'Right'
                  },
                  {
                    'type': 'Column',
                    'width': 'stretch',
                    'horizontalAlignment': 'Center',
                    'verticalContentAlignment': 'Center',
                    'items': [
                      {
                        'type': 'TextBlock',
                        'text': 'Expires by 26 Jun',
                        'wrap': true,
                        'horizontalAlignment': 'Left'
                      }
                    ],
                    'spacing': 'Small'
                  }
                ]
              }
            ]
          },
          {
            'type': 'TextBlock',
            'text': ' test question',
            'size': 'Medium',
            'weight': 'Bolder',
            'wrap': true
          },
          {
            'type': 'ColumnSet',
            'columns': [
              {
                'type': 'Column',
                'width': 'stretch',
                'items': [
                  {
                    'type': 'ActionSet',
                    'actions': [
                      {
                        'type': 'Action.Execute',
                        'title': 'veg',
                        'data': {
                          'data': {

                          }
                        },
                        'msteams': {
                          'type': 'task/fetch'
                        },
                        'url': ''
                      },
                      {
                        'type': 'Action.Execute',
                        'title': 'n veg',
                        'data': {
                          'data': {

                          }
                        },
                        'msteams': {
                          'type': 'task/fetch'
                        },
                        'url': ''
                      },
                      {
                        'type': 'Action.Execute',
                        'title': 'this',
                        'data': {
                          'data': {

                          }
                        },
                        'msteams': {
                          'type': 'task/fetch'
                        },
                        'url': ''
                      }
                    ]
                  }
                ]
              }
            ]
          }
        ]
      }));
    await turnContext.adapter.continueConversation(reference, async t2 => {
      BotConnector.MicrosoftAppCredentials.trustServiceUrl(reference.serviceUrl);
      const res = await t2.sendActivity(card);
      message1 = res;
    });