[FIX] Show button attachment in message list

[sumukhah]

Proposed changes

The button attachment was not visible in the message list. Added a UI to show button attachments

Issue(s)

fixes: #2684

How to test or reproduce

Attach a button to a message. visit that message list.

Needs to send a message in chat.sendMessage with this type of message

{
    "message": {
        "rid": "GENERAL",
        "attachments": [
            {
                "text": "Test buttons",
                "actions": [
                    {
                        "type": "button",
                        "text": "Text button",
                        "msg": "Response message",
                        "msg_in_chat_window": true
                    }
                ]
            }
        ]
    }
}

Screenshots

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• [] Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments

Let me know if some styles need to be added or modified

[diegolmello]

@sumukhah Really cool! Can you add stories? Also add stories with more buttons so we can see what happens when the layout breaks. Thanks!

[reinaldonetof]

LGTM!

[CLAassistant]

All committers have signed the CLA.