refactor: optimize LazyColumn items with key and contentType parameters

Author: softartdev

core/ui/src/commonMain/kotlin/com/softartdev/notedelight/ui/files/FileListScreen.kt

@@ -122,7 +122,11 @@ fun FileList(
 ) {
     val listState = rememberLazyListState()
     LazyColumn(modifier = modifier, state = listState) {
-        items(items = fileList) { fileName: String ->
+        items(
+            items = fileList,
+            key = { fileName: String -> fileName },
+            contentType = { "file" },
+        ) { fileName: String ->
             FileItem(fileName, onItemClicked)
             HorizontalDivider()
         }

core/ui/src/commonMain/kotlin/com/softartdev/notedelight/ui/main/NoteList.kt

@@ -11,6 +11,8 @@ import androidx.compose.ui.tooling.preview.Preview
 import androidx.paging.PagingData
 import androidx.paging.compose.LazyPagingItems
 import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemContentType
+import androidx.paging.compose.itemKey
 import com.softartdev.notedelight.db.TestSchema.firstNote
 import com.softartdev.notedelight.db.TestSchema.secondNote
 import com.softartdev.notedelight.db.TestSchema.thirdNote
@@ -24,7 +26,11 @@ fun NoteList(
     selectedNoteId: Long?
 ) {
     LazyColumn {
-        items(count = pagingItems.itemCount) { index ->
+        items(
+            count = pagingItems.itemCount,
+            key = pagingItems.itemKey(Note::id),
+            contentType = pagingItems.itemContentType { "note" },
+        ) { index ->
             when (val note: Note? = pagingItems[index]) {
                 null -> LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
                 else -> NoteItem(note = note, onItemClicked = onItemClicked, selected = note.id == selectedNoteId)

core/ui/src/commonMain/kotlin/com/softartdev/notedelight/ui/settings/detail/SettingsDetailScreen.kt

@@ -41,8 +41,6 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.State
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.derivedStateOf
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
@@ -311,13 +309,11 @@ private fun Preference(
 private fun AppVersionItem(appVersion: String?, onAction: (SettingsAction) -> Unit) {
     if (appVersion != null) {
         val defaultColors: ListItemColors = ListItemDefaults.colors()
-        val disabledColors: ListItemColors by remember(defaultColors) {
-            mutableStateOf(
-                defaultColors.copy(
-                    headlineColor = defaultColors.disabledHeadlineColor,
-                    leadingIconColor = defaultColors.disabledLeadingIconColor,
-                    supportingTextColor = defaultColors.disabledHeadlineColor
-                )
+        val disabledColors: ListItemColors = remember(defaultColors) {
+            defaultColors.copy(
+                headlineColor = defaultColors.disabledHeadlineColor,
+                leadingIconColor = defaultColors.disabledLeadingIconColor,
+                supportingTextColor = defaultColors.disabledHeadlineColor
             )
         }
         ListItem(