WIP: Support using Element Call for voice calls in DMs

features/roomcall/api/src/main/kotlin/io/element/android/features/roomcall/api/RoomCallState.kt

@@ -18,10 +18,12 @@ sealed interface RoomCallState {
 
     data class StandBy(
         val canStartCall: Boolean,
+        // TODO: add is DM to know if should show the voice call option?
     ) : RoomCallState
 
     data class OnGoing(
         val canJoinCall: Boolean,
+        val isVoiceIntent: Boolean,
         val isUserInTheCall: Boolean,
         val isUserLocallyInTheCall: Boolean,
     ) : RoomCallState

features/roomcall/api/src/main/kotlin/io/element/android/features/roomcall/api/RoomCallStateProvider.kt

@@ -17,6 +17,7 @@ open class RoomCallStateProvider : PreviewParameterProvider<RoomCallState> {
         anOngoingCallState(),
         anOngoingCallState(canJoinCall = false),
         anOngoingCallState(canJoinCall = true, isUserInTheCall = true),
+        anOngoingCallState(canJoinCall = true, isVoiceIntent = true),
         RoomCallState.Unavailable,
     )
 }
@@ -25,10 +26,12 @@ fun anOngoingCallState(
     canJoinCall: Boolean = true,
     isUserInTheCall: Boolean = false,
     isUserLocallyInTheCall: Boolean = isUserInTheCall,
+    isVoiceIntent: Boolean = false,
 ) = RoomCallState.OnGoing(
     canJoinCall = canJoinCall,
     isUserInTheCall = isUserInTheCall,
     isUserLocallyInTheCall = isUserLocallyInTheCall,
+    isVoiceIntent = isVoiceIntent
 )
 
 fun aStandByCallState(