[agent-builder-m365]Use case 3 instructions updates

[CATDAB]

Bug Report

Lab: Build Progressive AI Assistants with Agent Builder in Microsoft 365 (agent-builder-m365)
Use case / step number: Use Case 3 Step "open the researcher agent"
What happened:

1. "In the right-side panel or the main chat area, look for the Researcher agent. You can find it by:" should be changed to "In the left-side panel or the main chat area, look for the Researcher agent. You can find it by:"
2. numbering goes 1,2,1

Use case / step number: Use Case 3 :prompt 1
What happened:

1. Need to add a step to advise user on how to deal with the follow up questions researcher asks around report length or just "go ahead"

2. Numbering goes 1,1

Use case / step number: Use Case 3 :prompt 2
What happened:

1. Numbering goes 1,1
2. would be good to add a comment or additional screenshot calling out the new "Convert to" options - maybe have them click on the infographic option as it creates a pretty nice graphic. Mention the tons of options for graphic code, HTML, YAML, C# etc...