create room : use user homeserver in the address field.

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomPresenter.kt

@@ -55,6 +55,7 @@ class ConfigureRoomPresenter @Inject constructor(
     override fun present(): ConfigureRoomState {
         val cameraPermissionState = cameraPermissionPresenter.present()
         val createRoomConfig = dataStore.createRoomConfig.collectAsState(CreateRoomConfig())
+        val homeserverName = remember { matrixClient.userIdServerName() }
 
         val cameraPhotoPicker = mediaPickerProvider.registerCameraPhotoPicker(
             onResult = { uri -> if (uri != null) dataStore.setAvatarUri(uri = uri, cached = true) },
@@ -120,6 +121,7 @@ class ConfigureRoomPresenter @Inject constructor(
             avatarActions = avatarActions,
             createRoomAction = createRoomAction.value,
             cameraPermissionState = cameraPermissionState,
+            homeserverName = homeserverName,
             eventSink = ::handleEvents,
         )
     }

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomState.kt

@@ -19,6 +19,7 @@ data class ConfigureRoomState(
     val avatarActions: ImmutableList<AvatarAction>,
     val createRoomAction: AsyncAction<RoomId>,
     val cameraPermissionState: PermissionsState,
+    val homeserverName: String,
     val eventSink: (ConfigureRoomEvents) -> Unit
 ) {
     val isCreateButtonEnabled: Boolean = config.roomName.isNullOrEmpty().not()

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomStateProvider.kt

@@ -38,5 +38,6 @@ fun aConfigureRoomState() = ConfigureRoomState(
     avatarActions = persistentListOf(),
     createRoomAction = AsyncAction.Uninitialized,
     cameraPermissionState = aPermissionsState(showDialog = false),
+    homeserverName = "matrix.org",
     eventSink = { },
 )

features/createroom/impl/src/main/kotlin/io/element/android/features/createroom/impl/configureroom/ConfigureRoomView.kt

@@ -141,6 +141,7 @@ fun ConfigureRoomView(
                 RoomAddress(
                     modifier = Modifier.padding(horizontal = 16.dp),
                     address = state.config.roomVisibility.roomAddress,
+                    homeserverName = state.homeserverName,
                     onAddressChange = { state.eventSink(ConfigureRoomEvents.RoomAddressChanged(it)) },
                 )
             }
@@ -311,6 +312,7 @@ private fun RoomAccessOptions(
 @Composable
 private fun RoomAddress(
     address: RoomAddress,
+    homeserverName: String,
     onAddressChange: (String) -> Unit,
     modifier: Modifier = Modifier,
 ) {
@@ -340,7 +342,7 @@ private fun RoomAddress(
             },
             trailingIcon = {
                 Text(
-                    text = ":myserver.com",
+                    text = homeserverName,
                     style = ElementTheme.typography.fontBodyLgMedium,
                     color = ElementTheme.colors.textSecondary,
                     modifier = Modifier.padding(end = 16.dp)