If the user's addressbook is empty, go directly to add an address.

docs/changelog/7.x.x.txt

@@ -6,6 +6,7 @@
  - fixed #9739: Gallery Delete Album Template [TEMPLATE]
  - fixed #9737: Upgrade Missed a Config Option
  - fixed #9169: E-mail to Collab System creates invalid asset
+ - fixed #9746: Shop: Add a new address unneeded extra click
 
 7.6.11
  - fixed: Asset Manager can generate URLs that are too long

lib/WebGUI/Shop/AddressBook.pm

@@ -509,7 +509,11 @@ sub www_view {
     }
     my $i18n = WebGUI::International->new($session, "Shop");
     my @addresses = ();
-    foreach my $address (@{$self->getAddresses}) {
+    my @availableAddresses = @{ $self->getAddresses };
+    if (! @availableAddresses ) {
+        return $self->www_editAddress;
+    }
+    foreach my $address (@availableAddresses) {
         push(@addresses, {
             %{$address->get},
             address         => $address->getHtmlFormatted,