Reduce the size of the Azure Agents first start up responses

[StevenBucher98]

Summary of the new feature / enhancement

The first start up of the Copilot in Azure Agent's message is quite large and wordy. It would be nice to have it displayed in a much more succinct way where it can quickly and easily show how many remaining messages are available.

Proposed technical implementation details (optional)

Turn this wording

Welcome to Microsoft Azure Copilot. Here are a few things you should know before getting started.
Any action taken on more than 10 resources must be performed outside of Copilot. While in limited public preview you can only make 15 requests during any given chat and you only have 10 chats in a 8 hour period. This is chat #5.

To

Chat 5 of 10

Here is a mock up of the experience to add the details of the chat in the welcome paragraph and the chat number below

[daxian-dbw]

The message is currently from Azure Copilot when connection is established. Portal stop showing this message now, so maybe we just ignore this message too?