Use TM in SSO Flows

[rido-min]

This pull request enhances the SsoBot sample to provide a more personalized and user-friendly experience, especially in group chat scenarios. The main focus is on improving message formatting, adding suggested actions, and ensuring that responses are correctly targeted to individual users in group conversations.

Personalization and Targeting in Messages:

• Updated all user-facing messages (sign-in, sign-out, status, Graph API responses, errors) to include the user's name and set the Recipient and IsTargeted properties based on whether the chat is a group conversation, ensuring privacy and clarity in group contexts. [1] [2] [3] [4]

User Experience Improvements:

• Added suggested actions (buttons) to key bot responses such as sign-in completion and help messages, making it easier for users to interact with the bot by clicking instead of typing commands. [1] [2]

OAuth Flow and Schema Adjustments:

• Modified the OAuth flow to correctly set the recipient and targeting flag based on the conversation type when sending sign-in failure messages.
• Improved XML documentation for the ConversationType property in TeamsConversation to clarify its reference.