Action:set_bot_power failed with message: can't access property "users", i.content is undefined

[jaller94]

Steps to reproduce

0. Have an unencrypted room where you're allowed to add a Slack bridge (usually moderator).
1. Open the integration manager.
2. Go to the Slack bridge.
3. If you haven't, add Element to your Slack workspace.
4. List the Slack channels and pick one to bridge.

Outcome

What did you expect?

The bridging works.

What happened instead?

Code in question

https://github.com/matrix-org/matrix-react-sdk/blob/d61a83a7b911c91767a7eb0b8ff476c9358a6603/src/ScalarMessaging.ts#L477

Operating system

No response

Browser information

No response

URL for webapp

No response

Application version

Element 1.9.4

Homeserver

No response

Will you send logs?

No