Fix back button for screens in large screen devices

lawnchair/src/app/lawnchair/backup/ui/CreateBackupScreen.kt

@@ -118,7 +118,7 @@ fun CreateBackupScreen(
     PreferenceLayout(
         label = stringResource(id = R.string.create_backup),
         modifier = modifier,
-        backArrowVisible = LocalIsExpandedScreen.current,
+        backArrowVisible = !LocalIsExpandedScreen.current,
         scrollState = if (isPortrait) null else scrollState,
     ) {
         DisposableEffect(contents, hasLiveWallpaper, hasStoragePermission) {

lawnchair/src/app/lawnchair/backup/ui/RestoreBackupScreen.kt

@@ -91,7 +91,7 @@ fun RestoreBackupScreen(
     PreferenceLayout(
         label = stringResource(id = R.string.restore_backup),
         modifier = modifier,
-        backArrowVisible = LocalIsExpandedScreen.current,
+        backArrowVisible = !LocalIsExpandedScreen.current,
         scrollState = if (isPortrait) null else scrollState,
     ) {
         when (uiState) {

lawnchair/src/app/lawnchair/ui/preferences/about/About.kt

@@ -216,7 +216,7 @@ fun About(
     PreferenceLayout(
         label = stringResource(id = R.string.about_label),
         modifier = modifier,
-        backArrowVisible = LocalIsExpandedScreen.current,
+        backArrowVisible = !LocalIsExpandedScreen.current,
         horizontalAlignment = Alignment.CenterHorizontally,
     ) {
         Column(

lawnchair/src/app/lawnchair/ui/preferences/destinations/DebugMenuPreferences.kt

@@ -11,6 +11,7 @@ import app.lawnchair.preferences.getAdapter
 import app.lawnchair.preferences.preferenceManager
 import app.lawnchair.preferences2.PreferenceManager2
 import app.lawnchair.preferences2.preferenceManager2
+import app.lawnchair.ui.preferences.LocalIsExpandedScreen
 import app.lawnchair.ui.preferences.components.controls.ClickablePreference
 import app.lawnchair.ui.preferences.components.controls.MainSwitchPreference
 import app.lawnchair.ui.preferences.components.controls.SwitchPreference
@@ -39,6 +40,7 @@ fun DebugMenuPreferences(
 
     PreferenceLayout(
         label = "Debug menu",
+        backArrowVisible = !LocalIsExpandedScreen.current,
         modifier = modifier,
     ) {
         MainSwitchPreference(adapter = enableDebug, label = "Show debug menu") {