Refactor codebase to async/await - `m365 teams chat` and `m365 teams guestsettings`

This issue is for the refactoring of the `m365 teams chat` and `m365 teams guestsettings` commands, more specifically:

- m365 teams chat get
- m365 teams chat list
- m365 teams chat member list
- m365 teams chat member remove
- m365 teams chat message list
- m365 teams chat message send
- m365 teams guestsettings list
- m365 teams guestsettings set