Fix failed reloads in SignalRecipient.

SignalServiceKit/src/Contacts/SignalRecipient.m

@@ -175,7 +175,7 @@ NS_ASSUME_NONNULL_BEGIN
     OWSAssertDebug(devices.count > 0);
 
     OWSLogDebug(@"removing devices: %@, from registered recipient: %@", devices, self);
-    [self reloadWithTransaction:transaction];
+    [self reloadWithTransaction:transaction ignoreMissing:YES];
     [self removeDevices:devices];
     [self saveWithTransaction_internal:transaction];
 }

SignalServiceKit/src/Storage/TSYapDatabaseObject.h

@@ -94,8 +94,9 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  * Assign the latest persisted values from the database.
  */
-- (void)reloadWithTransaction:(YapDatabaseReadTransaction *)transaction;
 - (void)reload;
+- (void)reloadWithTransaction:(YapDatabaseReadTransaction *)transaction;
+- (void)reloadWithTransaction:(YapDatabaseReadTransaction *)transaction ignoreMissing:(BOOL)ignoreMissing;
 
 /**
  * Saves the object with the shared readWrite connection - does not block.

SignalServiceKit/src/Storage/TSYapDatabaseObject.m

@@ -226,10 +226,17 @@ NS_ASSUME_NONNULL_BEGIN
 }
 
 - (void)reloadWithTransaction:(YapDatabaseReadTransaction *)transaction
+{
+    [self reloadWithTransaction:transaction ignoreMissing:NO];
+}
+
+- (void)reloadWithTransaction:(YapDatabaseReadTransaction *)transaction ignoreMissing:(BOOL)ignoreMissing
 {
     TSYapDatabaseObject *latest = [[self class] fetchObjectWithUniqueID:self.uniqueId transaction:transaction];
     if (!latest) {
-        OWSFailDebug(@"`latest` was unexpectedly nil");
+        if (!ignoreMissing) {
+            OWSFailDebug(@"`latest` was unexpectedly nil");
+        }
         return;
     }