Update new-teams-known-issues.md

[Systems-Liam]

Discovered this as part of Device Isolation testing in our environment. Raised with MS Support and confirmed as a bug - mentioned in this KB https://learn.microsoft.com/en-us/defender-endpoint/respond-machine-alerts#isolate-devices-from-the-network

[learn-build-service-prod]

Learn Build status updates of commit fef0031:

✅ Validation status: passed

File	Status	Preview URL	Details
Teams/new-teams-known-issues.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit adbb9a5:

✅ Validation status: passed

File	Status	Preview URL	Details
Teams/new-teams-known-issues.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit c063dc0:

✅ Validation status: passed

File	Status	Preview URL	Details
Teams/new-teams-known-issues.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit c063dc0:

✅ Validation status: passed

File	Status	Preview URL	Details
Teams/new-teams-known-issues.md	✅Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel