refactor: use OutlinedButton for radio configs

app/src/main/java/com/geeksville/mesh/ui/DeviceSettingsFragment.kt

@@ -9,11 +9,8 @@ import android.view.ViewGroup
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.StringRes
-import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.ExperimentalFoundationApi
-import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -31,6 +28,7 @@ import androidx.compose.material.Card
 import androidx.compose.material.ContentAlpha
 import androidx.compose.material.Icon
 import androidx.compose.material.MaterialTheme
+import androidx.compose.material.OutlinedButton
 import androidx.compose.material.Text
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.twotone.KeyboardArrowRight
@@ -44,7 +42,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.ComposeView
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.platform.ViewCompositionStrategy
@@ -743,12 +740,10 @@ fun NavButton(@StringRes title: Int, enabled: Boolean, onClick: () -> Unit) {
     )
 
     Column {
-        val borderColor = if (isSystemInDarkTheme()) Color.DarkGray else Color.Unspecified
         Spacer(modifier = Modifier.height(4.dp))
-        Button(
+        OutlinedButton(
             modifier = Modifier
                 .fillMaxWidth()
-                .border(BorderStroke(1.dp, borderColor), shape = MaterialTheme.shapes.medium)
                 .height(48.dp),
             enabled = enabled,
             onClick = { showDialog = true },