Kotlin code refactor

app/src/main/java/code/name/monkey/retromusic/preferences/AlbumCoverStylePreferenceDialog.kt

@@ -92,9 +92,6 @@ class AlbumCoverStylePreferenceDialog : DialogFragment(),
                     PreferenceUtilKT.albumCoverStyle = coverStyle
                 }
             }
-            .setNegativeButton(android.R.string.cancel) { _, _ ->
-                dismiss()
-            }
             .setView(view)
             .create()
     }

app/src/main/java/code/name/monkey/retromusic/preferences/NowPlayingScreenPreferenceDialog.kt

@@ -86,7 +86,10 @@ class NowPlayingScreenPreferenceDialog : DialogFragment(), ViewPager.OnPageChang
         viewPager.pageMargin = ViewUtil.convertDpToPixel(32f, resources).toInt()
         viewPager.currentItem = PreferenceUtilKT.nowPlayingScreen.ordinal
 
-        return MaterialAlertDialogBuilder(requireContext())
+        return MaterialAlertDialogBuilder(
+            requireContext(),
+            R.style.ThemeOverlay_MaterialComponents_Dialog_Alert
+        )
             .setTitle(R.string.pref_title_now_playing_screen_appearance)
             .setCancelable(false)
             .setPositiveButton(R.string.set) { _, _ ->