Minor refactoring

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/feeds/FeedContentState.kt

@@ -110,11 +110,7 @@ class FeedContentState(
         val oldNotesState = _feedContent.value
         if (localFilter is AdditiveFeedFilter && lastFeedKey == localFilter.feedKey()) {
             if (oldNotesState is FeedState.Loaded) {
-                val deletionEvents: List<DeletionEvent> =
-                    newItems.mapNotNull {
-                        val noteEvent = it.event
-                        if (noteEvent is DeletionEvent) noteEvent else null
-                    }
+                val deletionEvents: List<DeletionEvent> = newItems.mapNotNull { it.event as? DeletionEvent }
 
                 val oldList =
                     if (deletionEvents.isEmpty()) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/feeds/FeedState.kt

@@ -20,6 +20,7 @@
  */
 package com.vitorpamplona.amethyst.ui.feeds
 
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
 import com.vitorpamplona.amethyst.model.Note
 import kotlinx.collections.immutable.ImmutableList
@@ -40,7 +41,7 @@ sealed class FeedState {
     ) : FeedState()
 }
 
-@Stable
+@Immutable
 class LoadedFeedState<T>(
     val list: ImmutableList<T>,
     val showHidden: Boolean,