Screen Share Option Missing in Element iOS During 1-on-1 Calls, but Available on Element Android

### Steps to reproduce

Call someone from iOS when someone picks the call you see more icon( 3 dots) tap on it there is no option of screen share.

Same issue is on web as well

### Outcome

#### What did you expect?

There should be a screen share option for iOS also

### Your phone model

_No response_

### Operating system version

_No response_

### Application version

_No response_

### Homeserver

_No response_

### Will you send logs?

Yes

Start by reproducing a 1-on-1 call in Element iOS and checking the three-dot call menu, then compare the available screen-sharing behavior on Android and web. Done means the iOS call menu offers screen sharing when expected and the feature works during the call; the issue provides no device, OS, app version, or test file to narrow the investigation.

Written by the indexing model from the issue text.