Increase padding around date in timeline and add Virtual items to the preview.

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

@@ -23,6 +23,8 @@ import io.element.android.features.messages.impl.timeline.model.TimelineItemReac
 import io.element.android.features.messages.impl.timeline.model.event.TimelineItemEventContent
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemStateEventContent
 import io.element.android.features.messages.impl.timeline.model.event.aTimelineItemTextContent
+import io.element.android.features.messages.impl.timeline.model.virtual.TimelineItemLoadingModel
+import io.element.android.features.messages.impl.timeline.model.virtual.aTimelineItemDaySeparatorModel
 import io.element.android.libraries.designsystem.components.avatar.AvatarData
 import io.element.android.libraries.designsystem.components.avatar.AvatarSize
 import io.element.android.libraries.matrix.api.core.EventId
@@ -88,9 +90,21 @@ internal fun aTimelineItemList(content: TimelineItemEventContent): ImmutableList
         ),
         // A grouped event on top of it
         aGroupedEvents(),
+        // A day separator
+        aTimelineItemDaySeparator(),
+        // Loading
+        aTimelineItemLoading(),
     )
 }
 
+fun aTimelineItemLoading(): TimelineItem.Virtual {
+    return TimelineItem.Virtual("virtual_loading", TimelineItemLoadingModel)
+}
+
+fun aTimelineItemDaySeparator(): TimelineItem.Virtual {
+    return TimelineItem.Virtual("virtual_day", aTimelineItemDaySeparatorModel("Today"))
+}
+
 internal fun aTimelineItemEvent(
     eventId: EventId = EventId("\$" + Random.nextInt().toString()),
     transactionId: String? = null,

features/messages/impl/src/main/kotlin/io/element/android/features/messages/impl/timeline/components/virtual/TimelineItemDaySeparatorView.kt

@@ -43,7 +43,7 @@ internal fun TimelineItemDaySeparatorView(
         modifier = modifier
             .fillMaxWidth()
             .wrapContentHeight()
-            .padding(8.dp),
+            .padding(16.dp),
         contentAlignment = Alignment.Center,
     ) {
         Text(