feat: Twitter conversation improvements

[muhsin-k]

• Add Twitter user name under message in the conversation
• Add a link on the sender name (Refer chatwoot/chatwoot/pull/1597)
• We should make the avatar and username clickable
• Add reply option (Refer chatwoot/chatwoot/pull/1117)

[iamsivin]

Add reply option (Refer https://github.com/chatwoot/chatwoot/pull/1117) -> Pending