Enforce no default value in state.

features/logout/src/main/kotlin/io/element/android/features/logout/LogoutPreferenceScreen.kt

@@ -100,5 +100,5 @@ fun LogoutPreferenceViewDarkPreview() = ElementPreviewDark { ContentToPreview()
 
 @Composable
 private fun ContentToPreview() {
-    LogoutPreferenceView(LogoutPreferenceState())
+    LogoutPreferenceView(aLogoutPreferenceState())
 }

features/logout/src/main/kotlin/io/element/android/features/logout/LogoutPreferenceState.kt

@@ -19,6 +19,11 @@ package io.element.android.features.logout
 import io.element.android.libraries.architecture.Async
 
 data class LogoutPreferenceState(
-    val logoutAction: Async<Unit> = Async.Uninitialized,
-    val eventSink: (LogoutPreferenceEvents) -> Unit = {},
+    val logoutAction: Async<Unit>,
+    val eventSink: (LogoutPreferenceEvents) -> Unit,
+)
+
+fun aLogoutPreferenceState() = LogoutPreferenceState(
+    logoutAction = Async.Uninitialized,
+    eventSink = {}
 )