For #8759 Use activityName instead of packageName as app identification

app/src/main/java/org/mozilla/fenix/share/ShareController.kt

@@ -84,7 +84,7 @@ class DefaultShareController(
 
     override fun handleShareToApp(app: AppShareOption) {
         lifecycleScope.launch(Dispatchers.IO) {
-            recentAppsStorage.updateRecentApp(app.packageName)
+            recentAppsStorage.updateRecentApp(app.activityName)
         }
 
         val intent = Intent(ACTION_SEND).apply {

app/src/main/java/org/mozilla/fenix/share/ShareViewModel.kt

@@ -90,7 +90,7 @@ class ShareViewModel(application: Application) : AndroidViewModel(application) {
             }
             val shareAppsActivities = getIntentActivities(shareIntent, getApplication())
             var apps = buildAppsList(shareAppsActivities, getApplication())
-            recentAppsStorage.updateDatabaseWithNewApps(apps.map { app -> app.packageName })
+            recentAppsStorage.updateDatabaseWithNewApps(apps.map { app -> app.activityName })
             val recentApps = buildRecentAppsList(apps)
             apps = filterOutRecentApps(apps, recentApps)
 
@@ -117,7 +117,7 @@ class ShareViewModel(application: Application) : AndroidViewModel(application) {
         val result: MutableList<AppShareOption> = ArrayList()
         for (recentApp in recentAppsDatabase) {
             for (app in apps) {
-                if (recentApp.packageName == app.packageName) {
+                if (recentApp.activityName == app.activityName) {
                     result.add(app)
                 }
             }

app/src/main/java/org/mozilla/fenix/share/listadapters/AppShareAdapter.kt

@@ -32,7 +32,7 @@ class AppShareAdapter(
 
     private object DiffCallback : DiffUtil.ItemCallback<AppShareOption>() {
         override fun areItemsTheSame(oldItem: AppShareOption, newItem: AppShareOption) =
-            oldItem.packageName == newItem.packageName
+            oldItem.activityName == newItem.activityName
 
         override fun areContentsTheSame(oldItem: AppShareOption, newItem: AppShareOption) =
             oldItem == newItem