change background for darktheme of dialogs

app/src/main/java/com/vpn/fastestvpnservice/screens/bottomNavBarScreens/HomeScreen.kt

@@ -805,7 +805,7 @@ fun BoxScope.ShowServerDialog(
                 verticalArrangement = Arrangement.Top,
                 horizontalAlignment = Alignment.CenterHorizontally,
                 modifier = Modifier
-                    .background(MaterialTheme.colorScheme.onPrimary)
+                    .background(MaterialTheme.colorScheme.onBackground)
             ) {
                 Log.d("islogoutClicked", "AlertDialog")
 
@@ -937,7 +937,7 @@ fun BoxScope.ShowProtocolDialog(
                 verticalArrangement = Arrangement.Top,
                 horizontalAlignment = Alignment.CenterHorizontally,
                 modifier = Modifier
-                    .background(MaterialTheme.colorScheme.onPrimary)
+                    .background(MaterialTheme.colorScheme.onBackground)
             ) {
                 Log.d("islogoutClicked", "AlertDialog")
                 Text(text = "Confirm",