timeline : fix lastOutgoingMessage after last changes

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

@@ -13,6 +13,7 @@ import io.element.android.features.messages.impl.timeline.model.NewEventState
 import io.element.android.features.messages.impl.timeline.model.TimelineItem
 import io.element.android.features.messages.impl.typing.TypingNotificationState
 import io.element.android.libraries.matrix.api.core.EventId
+import io.element.android.libraries.matrix.api.core.UniqueId
 import io.element.android.libraries.matrix.api.timeline.item.event.MessageShield
 import kotlinx.collections.immutable.ImmutableList
 import kotlin.time.Duration
@@ -30,8 +31,15 @@ data class TimelineState(
     val resolveVerifiedUserSendFailureState: ResolveVerifiedUserSendFailureState,
     val eventSink: (TimelineEvents) -> Unit,
 ) {
-    val hasAnyEvent = timelineItems.any { it is TimelineItem.Event }
+    val lastTimelineEvent = timelineItems.firstOrNull { it is TimelineItem.Event} as? TimelineItem.Event
+    val hasAnyEvent = lastTimelineEvent != null
     val focusedEventId = focusRequestState.eventId()
+
+
+    fun isLastOutgoingMessage(uniqueId: UniqueId): Boolean {
+        return lastTimelineEvent != null && lastTimelineEvent.isMine && lastTimelineEvent.id == uniqueId
+    }
+
 }
 
 @Immutable

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

@@ -136,8 +136,7 @@ fun TimelineView(
                         timelineItem = timelineItem,
                         timelineRoomInfo = state.timelineRoomInfo,
                         renderReadReceipts = state.renderReadReceipts,
-                        isLastOutgoingMessage = (timelineItem as? TimelineItem.Event)?.isMine == true &&
-                            state.timelineItems.first().identifier() == timelineItem.identifier(),
+                        isLastOutgoingMessage = state.isLastOutgoingMessage(timelineItem.identifier()),
                         focusedEventId = state.focusedEventId,
                         onUserDataClick = onUserDataClick,
                         onLinkClick = onLinkClick,