Respond to CR.

// FREEBIE

Signal/src/ViewControllers/AddToBlockListViewController.m

@@ -341,9 +341,10 @@ NSString *const kContactsTable_CellReuseIdentifier = @"kContactsTable_CellReuseI
     [self.contactsTableView reloadData];
 }
 
-- (BOOL)isContactBlocked:(Contact *)contact
+- (BOOL)isContactBlockedOrHidden:(Contact *)contact
 {
     if (contact.parsedPhoneNumbers.count < 1) {
+        // Hide contacts without any valid phone numbers.
         return YES;
     }
 
@@ -371,11 +372,11 @@ NSString *const kContactsTable_CellReuseIdentifier = @"kContactsTable_CellReuseI
 {
     NSMutableArray<Contact *> *result = [NSMutableArray new];
     for (Contact *contact in self.contactsManager.signalContacts) {
-        if (![self isContactBlocked:contact] && ![self isCurrentUserContact:contact]) {
+        if (![self isContactBlockedOrHidden:contact] && ![self isCurrentUserContact:contact]) {
             [result addObject:contact];
         }
     }
-    return result;
+    return [result copy];
 }
 
 #pragma mark - CountryCodeViewControllerDelegate

Signal/src/ViewControllers/MessageComposeTableViewController.m

@@ -683,9 +683,10 @@ NSString *const MessageComposeTableViewControllerCellContact = @"ContactTableVie
     [self.tableView reloadData];
 }
 
-- (BOOL)isContactBlocked:(Contact *)contact
+- (BOOL)isContactBlockedOrHidden:(Contact *)contact
 {
     if (contact.parsedPhoneNumbers.count < 1) {
+        // Hide contacts without any valid phone numbers.
         return YES;
     }
 
@@ -698,26 +699,15 @@ NSString *const MessageComposeTableViewControllerCellContact = @"ContactTableVie
     return NO;
 }
 
-- (BOOL)isCurrentUserContact:(Contact *)contact
-{
-    for (PhoneNumber *phoneNumber in contact.parsedPhoneNumbers) {
-        if ([[phoneNumber toE164] isEqualToString:[TSAccountManager localNumber]]) {
-            return YES;
-        }
-    }
-
-    return NO;
-}
-
 - (NSArray<Contact *> *_Nonnull)filteredContacts
 {
     NSMutableArray<Contact *> *result = [NSMutableArray new];
     for (Contact *contact in self.contactsManager.signalContacts) {
-        if (![self isContactBlocked:contact] && ![self isCurrentUserContact:contact]) {
+        if (![self isContactBlockedOrHidden:contact]) {
             [result addObject:contact];
         }
     }
-    return result;
+    return [result copy];
 }
 
 #pragma mark - Navigation

Signal/src/ViewControllers/NewGroupViewController.m

@@ -112,9 +112,10 @@ static NSString *const kUnwindToMessagesViewSegue = @"UnwindToMessagesViewSegue"
     [self.tableView reloadData];
 }
 
-- (BOOL)isContactBlocked:(Contact *)contact
+- (BOOL)isContactBlockedOrHidden:(Contact *)contact
 {
     if (contact.parsedPhoneNumbers.count < 1) {
+        // Hide contacts without any valid phone numbers.
         return YES;
     }
 
@@ -158,12 +159,12 @@ static NSString *const kUnwindToMessagesViewSegue = @"UnwindToMessagesViewSegue"
 {
     NSMutableArray<Contact *> *result = [NSMutableArray new];
     for (Contact *contact in self.contactsManager.signalContacts) {
-        if (![self isContactBlocked:contact] && ![self isCurrentUserContact:contact]
+        if (![self isContactBlockedOrHidden:contact] && ![self isCurrentUserContact:contact]
             && ![self isContactInGroup:contact]) {
             [result addObject:contact];
         }
     }
-    return result;
+    return [result copy];
 }
 
 - (void)configWithThread:(TSGroupThread *)gThread {