Clean up chapter item composables a bit

Might help with #9043?

app/src/main/java/eu/kanade/presentation/updates/UpdatesUiItem.kt

@@ -158,6 +158,8 @@ fun UpdatesUiItem(
     downloadProgressProvider: () -> Int,
 ) {
     val haptic = LocalHapticFeedback.current
+    val textAlpha = if (update.read) ReadItemAlpha else 1f
+
     Row(
         modifier = modifier
             .selectedBackground(selected)
@@ -179,15 +181,12 @@ fun UpdatesUiItem(
             data = update.coverData,
             onClick = onClickCover,
         )
+
         Column(
             modifier = Modifier
                 .padding(horizontal = MaterialTheme.padding.medium)
                 .weight(1f),
         ) {
-            val bookmark = remember(update.bookmark) { update.bookmark }
-            val read = remember(update.read) { update.read }
-            val textAlpha = remember(read) { if (read) ReadItemAlpha else 1f }
-
             Text(
                 text = update.mangaTitle,
                 maxLines = 1,
@@ -195,9 +194,10 @@ fun UpdatesUiItem(
                 overflow = TextOverflow.Ellipsis,
                 modifier = Modifier.alpha(textAlpha),
             )
+
             Row(verticalAlignment = Alignment.CenterVertically) {
                 var textHeight by remember { mutableStateOf(0) }
-                if (bookmark) {
+                if (update.bookmark) {
                     Icon(
                         imageVector = Icons.Filled.Bookmark,
                         contentDescription = stringResource(R.string.action_filter_bookmarked),
@@ -228,6 +228,7 @@ fun UpdatesUiItem(
                 }
             }
         }
+
         ChapterDownloadIndicator(
             enabled = onDownloadChapter != null,
             modifier = Modifier.padding(start = 4.dp),