Option to show next up during credits/outros (#130)

Adds an option to the show the next up during the end credits (outro)
instead of at the very end of the video.

The next up pushes up from the bottom and the video scales down to fit
above.

Still a WIP though

### Sample screenshot
<img width="1280" height="771" alt="next_up_credits Large"
src="https://github.com/user-attachments/assets/9a03d0ec-325d-4efe-a28e-51270ddaaa89"
/>

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreference.kt

@@ -602,6 +602,19 @@ sealed interface AppPreference<T> {
                 summaryOn = R.string.enabled,
                 summaryOff = R.string.nav_drawer_switch_on_focus_summary_off,
             )
+
+        val ShowNextUpTiming =
+            AppChoicePreference<ShowNextUpWhen>(
+                title = R.string.show_next_up_when,
+                defaultValue = ShowNextUpWhen.END_OF_PLAYBACK,
+                getter = { it.playbackPreferences.showNextUpWhen },
+                setter = { prefs, value ->
+                    prefs.updatePlaybackPreferences { showNextUpWhen = value }
+                },
+                displayValues = R.array.show_next_up_when_options,
+                indexToValue = { ShowNextUpWhen.forNumber(it) },
+                valueToIndex = { it.number },
+            )
     }
 }
 
@@ -613,7 +626,6 @@ val basicPreferences =
                 listOf(
                     AppPreference.HomePageItems,
                     AppPreference.RewatchNextUp,
-                    AppPreference.CombineContinueNext,
                     AppPreference.PlayThemeMusic,
                     AppPreference.RememberSelectedTab,
                     AppPreference.ThemeColors,
@@ -625,11 +637,17 @@ val basicPreferences =
                 listOf(
                     AppPreference.SkipForward,
                     AppPreference.SkipBack,
-                    AppPreference.ControllerTimeout,
+                    AppPreference.SkipBackOnResume,
+                ),
+        ),
+        PreferenceGroup(
+            title = R.string.next_up,
+            preferences =
+                listOf(
+                    AppPreference.ShowNextUpTiming,
                     AppPreference.AutoPlayNextUp,
                     AppPreference.AutoPlayNextDelay,
                     AppPreference.PassOutProtection,
-                    AppPreference.SkipBackOnResume,
                 ),
         ),
         PreferenceGroup(
@@ -664,7 +682,9 @@ val advancedPreferences =
             title = R.string.ui_interface,
             preferences =
                 listOf(
+                    AppPreference.CombineContinueNext,
                     AppPreference.NavDrawerSwitchOnFocus,
+                    AppPreference.ControllerTimeout,
                 ),
         ),
         PreferenceGroup(

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreferencesSerializer.kt

@@ -43,6 +43,7 @@ class AppPreferencesSerializer
                                 skipRecaps = AppPreference.SkipRecaps.defaultValue
                                 passOutProtectionMs =
                                     AppPreference.PassOutProtection.defaultValue.hours.inWholeMilliseconds
+                                showNextUpWhen = AppPreference.ShowNextUpTiming.defaultValue
 
                                 overrides =
                                     PlaybackOverrides