Make sure DB views are ready before kicking processing job

// FREEBIE

Signal/src/AppDelegate.m

@@ -517,9 +517,6 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
                 // This will fetch new messages, if we're using domain
                 // fronting.
                 [[PushManager sharedManager] applicationDidBecomeActive];
-
-                // If there were any messages in our local queue which we hadn't yet processed.
-                [[OWSMessageReceiver sharedInstance] handleAnyUnprocessedEnvelopes];
             }];
 
     DDLogInfo(@"%@ applicationDidBecomeActive completed.", self.tag);
@@ -796,6 +793,9 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
     [AppVersion.instance appLaunchDidComplete];
 
     [self ensureRootViewController];
+
+    // If there were any messages in our local queue which we hadn't yet processed.
+    [[OWSMessageReceiver sharedInstance] handleAnyUnprocessedEnvelopesAsync];
 }
 
 - (void)ensureRootViewController

SignalServiceKit/src/Messages/OWSMessageReceiver.h

@@ -13,7 +13,7 @@ NS_ASSUME_NONNULL_BEGIN
 + (void)syncRegisterDatabaseExtension:(YapDatabase *)database;
 
 - (void)handleReceivedEnvelope:(OWSSignalServiceProtosEnvelope *)envelope;
-- (void)handleAnyUnprocessedEnvelopes;
+- (void)handleAnyUnprocessedEnvelopesAsync;
 
 @end
 

SignalServiceKit/src/Messages/OWSMessageReceiver.m

@@ -335,7 +335,7 @@ NSString *const OWSMessageProcessingJobFinderExtensionGroup = @"OWSMessageProces
 
 #pragma mark - instance methods
 
-- (void)handleAnyUnprocessedEnvelopes
+- (void)handleAnyUnprocessedEnvelopesAsync
 {
     dispatch_async(dispatch_get_main_queue(), ^{
         [self.processingQueue drainQueue];