Do not show bg in preview

features/messages/src/main/kotlin/io/element/android/x/features/messages/timeline/TimelineView.kt

@@ -356,7 +356,7 @@ class MessagesItemGroupPositionToMessagesTimelineItemContentProvider :
     )
 
 @Suppress("PreviewPublic")
-@Preview(showBackground = true)
+@Preview
 @Composable
 fun TimelineItemsPreview(
     @PreviewParameter(MessagesTimelineItemContentProvider::class)

libraries/designsystem/src/main/kotlin/io/element/android/x/designsystem/components/preferences/PreferenceCategory.kt

@@ -53,7 +53,7 @@ fun PreferenceCategory(
 }
 
 @Composable
-@Preview(showBackground = false)
+@Preview
 fun PreferenceCategoryPreview() {
     PreferenceCategory(
         title = "Category title",

libraries/designsystem/src/main/kotlin/io/element/android/x/designsystem/components/preferences/PreferenceScreen.kt

@@ -111,7 +111,7 @@ fun PreferenceTopAppBar(
 }
 
 @Composable
-@Preview(showBackground = false)
+@Preview
 fun PreferenceScreenPreview() {
     PreferenceView(
         title = "Preference screen"

libraries/designsystem/src/main/kotlin/io/element/android/x/designsystem/components/preferences/PreferenceSlide.kt

@@ -85,7 +85,7 @@ fun PreferenceSlide(
 }
 
 @Composable
-@Preview(showBackground = false)
+@Preview
 fun PreferenceSlidePreview() {
     PreferenceSlide(
         title = "Slide",

libraries/designsystem/src/main/kotlin/io/element/android/x/designsystem/components/preferences/PreferenceSwitch.kt

@@ -76,7 +76,7 @@ fun PreferenceSwitch(
 }
 
 @Composable
-@Preview(showBackground = false)
+@Preview
 fun PreferenceSwitchPreview() {
     PreferenceSwitch(
         title = "Switch",

libraries/designsystem/src/main/kotlin/io/element/android/x/designsystem/components/preferences/PreferenceText.kt

@@ -64,7 +64,7 @@ fun PreferenceText(
 }
 
 @Composable
-@Preview(showBackground = false)
+@Preview
 fun PreferenceTextPreview() {
     PreferenceText(
         title = "Title",