recipe/erp5testnode: improve directory views for logs

Use NameWidth=* so that long filenames are never truncated

Use SuppressColumnSorting to disable the ablity to sort so that we can
wget -r all the logs for local analysis

slapos/recipe/erp5testnode/template/httpd.conf.in

@@ -71,7 +71,7 @@ SSLProxyEngine On
     DocumentRoot "%(testnode_log_directory)s"
     <Directory />
         Options Indexes FollowSymLinks
-        IndexOptions FancyIndexing
+        IndexOptions FancyIndexing NameWidth=* SuppressColumnSorting
         Require all granted
     </Directory>
 </VirtualHost>
@@ -86,7 +86,7 @@ Listen [%(ip)s]:%(software_access_port)s
     <Directory />
         AllowOverride AuthConfig
         Options FollowSymLinks
-        IndexOptions FancyIndexing
+        IndexOptions FancyIndexing NameWidth=* SuppressColumnSorting
         Require all denied
    </Directory>
 </VirtualHost>