Implement new top-level backups settings.

app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt

@@ -105,6 +105,7 @@ object BackupRepository {
       403 -> {
         Log.w(TAG, "Received status 403. The user is not in the media tier. Updating local state.", error.exception)
         SignalStore.backup.backupTier = MessageBackupTier.FREE
+        SignalStore.uiHints.markHasEverEnabledRemoteBackups()
         // TODO [backup] If the user thought they were in media tier but aren't, feels like we should have a special UX flow for this?
       }
     }
@@ -846,6 +847,11 @@ object BackupRepository {
       Log.i(TAG, "Could not retrieve backup tier.", e)
       null
     }
+
+    if (SignalStore.backup.backupTier != null) {
+      SignalStore.uiHints.markHasEverEnabledRemoteBackups()
+    }
+
     return SignalStore.backup.backupTier
   }
 

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/subscription/MessageBackupsFlowViewModel.kt

@@ -182,6 +182,7 @@ class MessageBackupsFlowViewModel : ViewModel() {
       MessageBackupTier.FREE -> {
         SignalStore.backup.areBackupsEnabled = true
         SignalStore.backup.backupTier = MessageBackupTier.FREE
+        SignalStore.uiHints.markHasEverEnabledRemoteBackups()
 
         state.copy(stage = MessageBackupsStage.COMPLETED)
       }