feat: more changes to templating (#1218)

* feat: clean up more jinja default references

Signed-off-by: Devin Buhl <devin@buhl.casa>

* feat: add additional tls sans force kube-vip on k3s

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/ansible/inventory/hosts.yaml.j2

@@ -9,7 +9,7 @@ kubernetes:
           ansible_user: "#{ item.username }#"
           ansible_host: "#{ item.address }#"
       #% endfor %#
-    #% if bootstrap_nodes.worker|default([]) | length > 0 %#
+    #% if bootstrap_nodes.worker | length > 0 %#
     worker:
       hosts:
       #% for item in bootstrap_nodes.worker %#