compose w/o contact access -> "..by phone number"

The search field and invite buttons are not very useful without contacts
access.

// FREEBIE

Signal/src/ViewControllers/MessageComposeTableViewController.m

@@ -115,9 +115,18 @@ NS_ASSUME_NONNULL_BEGIN
     [self updateTableContents];
 }
 
-- (void)showContactsPermissionReminder:(BOOL)flag
+- (void)showContactsPermissionReminder:(BOOL)isVisible
 {
-    _hideContactsPermissionReminderViewConstraint.active = !flag;
+    _hideContactsPermissionReminderViewConstraint.active = !isVisible;
+}
+
+- (void)showSearchBar:(BOOL)isVisible
+{
+    if (isVisible) {
+        self.tableViewController.tableView.tableHeaderView = self.searchBar;
+    } else {
+        self.tableViewController.tableView.tableHeaderView = nil;
+    }
 }
 
 - (UIView *)createNoSignalContactsView
@@ -259,6 +268,7 @@ NS_ASSUME_NONNULL_BEGIN
                              [weakSelf.navigationController pushViewController:viewController animated:YES];
                          }]];
 
+    if (self.contactsViewHelper.contactsManager.isSystemContactsAuthorized) {
         // Invite Contacts
         [section addItem:[OWSTableItem itemWithCustomCellBlock:^{
             UITableViewCell *cell = [UITableViewCell new];
@@ -273,6 +283,7 @@ NS_ASSUME_NONNULL_BEGIN
                              actionBlock:^{
                                  [weakSelf presentInviteFlow];
                              }]];
+    }
 
     // If the search string looks like a phone number, show either "new conversation..." cells and/or
     // "invite via SMS..." cells.
@@ -445,10 +456,13 @@ NS_ASSUME_NONNULL_BEGIN
         BOOL hasNoContacts = self.contactsViewHelper.signalAccounts.count < 1;
         self.isNoContactsModeActive = (hasNoContacts && ![[Environment preferences] hasDeclinedNoContactsView]);
         [self showContactsPermissionReminder:NO];
+
+        [self showSearchBar:YES];
     } else {
         // don't show "no signal contacts", show "no contact access"
         self.isNoContactsModeActive = NO;
         [self showContactsPermissionReminder:YES];
+        [self showSearchBar:NO];
     }
 }