replace WallpaperFeatureDiscovered probe with WallpaperSettingsOpened

app/metrics.yaml

@@ -6956,11 +6956,10 @@ search_terms:
     expires: "2022-12-01"
 
 wallpapers:
-  discovered_wallpaper_feature:
-    type: boolean
-    lifetime: application
+  wallpaper_settings_opened:
+    type: event
     description: |
-      Whether or not the user has discovered the wallpaper feature.
+      User has opened the wallpaper settings screen.
     bugs:
       - https://github.com/mozilla-mobile/fenix/issues/23381
     data_reviews:

app/src/main/java/org/mozilla/fenix/components/metrics/Event.kt

@@ -676,7 +676,7 @@ sealed class Event {
 
     sealed class Search
 
-    object WallpaperFeatureDiscovered : Event()
+    object WallpaperSettingsOpened : Event()
     data class WallpaperSelected(val wallpaper: org.mozilla.fenix.wallpapers.Wallpaper) : Event()
     data class WallpaperSwitched(val wallpaper: org.mozilla.fenix.wallpapers.Wallpaper) : Event()
     data class ChangeWallpaperWithLogoToggled(val checked: Boolean) : Event()

app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt

@@ -908,8 +908,8 @@ private val Event.wrapper: EventWrapper<*>?
         is Event.JumpBackInGroupTapped -> EventWrapper<NoExtraKeys>(
             { SearchTerms.jumpBackInGroupTapped.record(it) }
         )
-        is Event.WallpaperFeatureDiscovered -> EventWrapper<NoExtraKeys>(
-            { Wallpapers.discoveredWallpaperFeature.set(true) }
+        is Event.WallpaperSettingsOpened -> EventWrapper<NoExtraKeys>(
+            { Wallpapers.wallpaperSettingsOpened.record() }
         )
         is Event.WallpaperSelected -> EventWrapper<NoExtraKeys>(
             {

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -768,7 +768,6 @@ class HomeFragment : Fragment() {
             binding.wordmark.setOnClickListener {
                 val manager = requireComponents.wallpaperManager
                 val newWallpaper = manager.switchToNextWallpaper()
-                requireComponents.analytics.metrics.track(Event.WallpaperFeatureDiscovered)
                 requireComponents.analytics.metrics.track(Event.WallpaperSwitched(newWallpaper))
                 manager.updateWallpaper(
                     wallpaperContainer = binding.homeLayout,

app/src/main/java/org/mozilla/fenix/settings/wallpaper/WallpaperSettingsFragment.kt

@@ -41,7 +41,7 @@ class WallpaperSettingsFragment : Fragment() {
         container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View? {
-        metrics.track(Event.WallpaperFeatureDiscovered)
+        metrics.track(Event.WallpaperSettingsOpened)
         return ComposeView(requireContext()).apply {
             setViewCompositionStrategy(ViewCompositionStrategy.DisposeOnViewTreeLifecycleDestroyed)
             setContent {