This PR target two issues
### CC & BCC not updated correctly
When moving from one conversation to another, the store may not have the
list of all the messages. A fetch is subsequently made to get the
messages. However, this update does not trigger the `currentChat`
watcher. This PR fixes it by adding a new watcher on
`currentChat.messages`.
We also update the `setCCAndToEmailsFromLastChat` method to reset the
`cc`, `bcc` and `to` fields if the last email is not found. This ensures
that the data is not carried forward from a previous email
Fixes: https://github.com/chatwoot/chatwoot/issues/10477
### To address are not added correctly to the `CC`
If the `to` address of a previous email has multiple recipient, there
was no case to add them to the CC.
Fixes: https://github.com/chatwoot/chatwoot/issues/8925
---
Depends on: https://github.com/chatwoot/utils/pull/41
84822a013a