Room directory should display the server name, not the domain that Matrix APIs are being served from

### Steps to reproduce

1. Go to # tab
2. Tap #+ button
3. Tap Switch

### What happened?

### What did you expect?
The room directory view is supposed to use the user facing server name

### What happened?
The room directory currently displays the internal domain that the Matrix client server APIs are being served from

### Your phone model

_No response_

### Operating system version

_No response_

### Application version

1.6.1 TestFlight

### Homeserver

_No response_

### Have you submitted a rageshake?

No