fix

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt

@@ -2309,6 +2309,10 @@ fun <T> MutableState<SnapshotStateList<T>>.removeAt(index: Int): T {
   return res
 }
 
+fun <T> MutableState<SnapshotStateList<T>>.removeRange(fromIndex: Int, toIndex: Int) {
+  value = SnapshotStateList<T>().apply { addAll(value); removeRange(fromIndex, toIndex) }
+}
+
 fun <T> MutableState<SnapshotStateList<T>>.removeLast() {
   value = SnapshotStateList<T>().apply { addAll(value); removeLast() }
 }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatSections.kt

@@ -218,7 +218,7 @@ fun List<ChatSection>.dropTemporarySections() {
   if (bottomSection != null) {
     val items = chatModel.chatItems.value
     val itemsOutsideOfSection = items.size - 1 - bottomSection.boundary.maxIndex
-    chatModel.chatItems.value.removeRange(fromIndex = 0, toIndex = itemsOutsideOfSection + bottomSection.excessItemCount())
+    chatModel.chatItems.removeRange(fromIndex = 0, toIndex = itemsOutsideOfSection + bottomSection.excessItemCount())
     chatModel.chatItemsSectionArea = mutableMapOf<Long, ChatSectionArea>().also { it.putAll(items.associate { it.id to ChatSectionArea.Bottom }) }
   }
 }

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt

@@ -1072,7 +1072,7 @@ fun BoxScope.ChatItemsList(
                     itemsToDrop.forEach {
                       chatModel.chatItemsSectionArea.remove(it.id)
                     }
-                    chatModel.chatItems.value.removeIf { chatModel.chatItemsSectionArea[it.id] == null }
+                    chatModel.chatItems.removeAll { chatModel.chatItemsSectionArea[it.id] == null }
                     val newIdx = reversedChatItems.value.indexOfFirst { it.id == itemId }
                     listState.scrollToItem(scrollPosition.value(newIdx), -maxHeight.value)
                   }