Move post-registration work from view to app delegate.

// FREEBIE

Signal/src/AppDelegate.m

@@ -159,6 +159,10 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
                                              selector:@selector(databaseViewRegistrationComplete)
                                                  name:kNSNotificationName_DatabaseViewRegistrationComplete
                                                object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(registrationStateDidChange)
+                                                 name:kNSNotificationName_RegistrationStateDidChange
+                                               object:nil];
 
     DDLogInfo(@"%@ application: didFinishLaunchingWithOptions completed.", self.tag);
 
@@ -792,6 +796,26 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
     [OWSProfileManager.sharedManager fetchLocalUsersProfile];
 }
 
+- (void)registrationStateDidChange
+{
+    OWSAssert([NSThread isMainThread]);
+
+    DDLogInfo(@"registrationStateDidChange");
+
+    if ([TSAccountManager isRegistered]) {
+        DDLogInfo(@"localNumber: %@", [TSAccountManager localNumber]);
+
+        [[TSStorageManager sharedManager].newDatabaseConnection
+            readWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
+                [[ExperienceUpgradeFinder new] markAllAsSeenWithTransaction:transaction];
+            }];
+        // Start running the disappearing messages job in case the newly registered user
+        // enables this feature
+        [[OWSDisappearingMessagesJob sharedJob] startIfNecessary];
+        [[OWSProfileManager sharedManager] ensureLocalProfileCached];
+    }
+}
+
 - (void)ensureRootViewController
 {
     DDLogInfo(@"ensureRootViewController");

Signal/src/ViewControllers/HomeViewController.m

@@ -492,15 +492,7 @@ typedef NS_ENUM(NSInteger, CellState) { kArchiveState, kInboxState };
 {
     [super viewDidAppear:animated];
 
-    if (self.newlyRegisteredUser) {
-        [self.editingDbConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *_Nonnull transaction) {
-            [self.experienceUpgradeFinder markAllAsSeenWithTransaction:transaction];
-        }];
-        // Start running the disappearing messages job in case the newly registered user
-        // enables this feature
-        [[OWSDisappearingMessagesJob sharedJob] startIfNecessary];
-        [[OWSProfileManager sharedManager] ensureLocalProfileCached];
-    } else if (!self.viewHasEverAppeared) {
+    if (!self.newlyRegisteredUser && !self.viewHasEverAppeared) {
         [self displayAnyUnseenUpgradeExperience];
     }