[BUG] "<" & ">" showing as HTML "&lt;" etc, whereas Tags render and Autocomplete

[Laurence-V]

Describe the bug

The 'mgt-chat' component of Microsoft Graph Toolkit, demonstrates anomalous behaviour when "<" or ">" or whole tags

To Reproduce

Steps to reproduce the behavior in MGT:

• Go to a system running chats using MGT
• Enter Less than "<", The component "<"
• Enter Greater than ">", The component shows ">"
• Enter Less than and Greater than "<>", The component shows "<>"
• Enter HTML "
  ", The component autocompletes the tags and shows "

  "

To see in Web/Fat client

1. Make a change while in the MGT chat component, while in Edit Mode
2. Accept change
3. Go message to Web/Fat client
4. Messages shown as expected

Screenshots

Messages entered from Microsoft Toolkit:

Messages displayed in Teams Client

Environment (please complete the following information):

• Client OS: Mac Sonoma 14.4.1
• Browser: Chrome Version 124.0.6367.158 (Official Build) (arm64)
• Framework: React
• Context: Microsoft Teams Graph Toolkit
• Version 4
• Teams Client: 24102.2214.2869.7475