Send folders if inviting user for service without edit folder permissions

If a new user is being invited for a service which doesn't have edit
folder permissions turned on, we want to send all folders for that
service to api.

app/main/views/manage_users.py

@@ -58,6 +58,11 @@ def invite_user(service_id):
         form.login_authentication.data = 'sms_auth'
 
     if form.validate_on_submit():
+        if current_service.has_permission('edit_folder_permissions'):
+            folder_permissions = form.folder_permissions.data
+        else:
+            folder_permissions = list(current_service.all_template_folder_ids)
+
         email_address = form.email_address.data
         invited_user = invite_api_client.create_invite(
             current_user.id,
@@ -65,10 +70,7 @@ def invite_user(service_id):
             email_address,
             form.permissions,
             form.login_authentication.data,
-            folder_permissions=(
-                form.folder_permissions.data
-                if current_service.has_permission('edit_folder_permissions') else []
-            ),
+            folder_permissions,
         )
 
         flash('Invite sent to {}'.format(invited_user.email_address), 'default_with_tick')