Make `isTimestampHighlighted` a computed val.

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/components/RoomSummaryRow.kt

@@ -43,7 +43,6 @@ import io.element.android.compound.theme.ElementTheme
 import io.element.android.compound.tokens.generated.CompoundIcons
 import io.element.android.features.roomlist.impl.model.RoomListRoomSummary
 import io.element.android.features.roomlist.impl.model.RoomListRoomSummaryProvider
-import io.element.android.features.roomlist.impl.model.isTimestampHighlighted
 import io.element.android.libraries.core.extensions.orEmpty
 import io.element.android.libraries.designsystem.atomic.atoms.UnreadIndicatorAtom
 import io.element.android.libraries.designsystem.components.avatar.Avatar
@@ -142,7 +141,7 @@ private fun RowScope.NameAndTimestampRow(room: RoomListRoomSummary) {
     Text(
         text = room.timestamp ?: "",
         style = ElementTheme.typography.fontBodySmMedium,
-        color = if (room.isTimestampHighlighted()) {
+        color = if (room.isTimestampHighlighted) {
             ElementTheme.colors.unreadIndicator
         } else {
             MaterialTheme.roomListRoomMessageDate()

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/model/RoomListRoomSummary.kt

@@ -35,10 +35,8 @@ data class RoomListRoomSummary(
     val userDefinedNotificationMode: RoomNotificationMode?,
     val hasRoomCall: Boolean,
     val isDm: Boolean,
-)
+) {
-
+    val isTimestampHighlighted = hasRoomCall ||
-fun RoomListRoomSummary.isTimestampHighlighted(): Boolean {
-    return hasRoomCall ||
         when (userDefinedNotificationMode) {
             null,
             RoomNotificationMode.ALL_MESSAGES -> numberOfUnreadMessages > 0 || numberOfUnreadMentions > 0