Fix preview name.

Author: bmarty

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/protection/ProtectedView.kt

@@ -78,7 +78,7 @@ fun ProtectedView(
 
 @PreviewsDayNight
 @Composable
-internal fun PreviewProtectedView() = ElementPreview {
+internal fun ProtectedViewPreview() = ElementPreview {
     Box(
         modifier = Modifier
             .size(160.dp)