Fix always download calico_rr image

roles/download/defaults/main.yml

@@ -220,7 +220,7 @@ downloads:
     tag: "{{ calico_policy_image_tag }}"
     sha256: "{{ calico_policy_digest_checksum|default(None) }}"
   calico_rr:
-    enabled: "{{ peer_with_calico_rr is defined and peer_with_calico_rr}} and kube_network_plugin == 'calico'"
+    enabled: "{{ peer_with_calico_rr is defined and peer_with_calico_rr and kube_network_plugin == 'calico' }}"
     container: true
     repo: "{{ calico_rr_image_repo }}"
     tag: "{{ calico_rr_image_tag }}"