add 00_available_probes.xml

seed/release/eole-2.6/2.6.2/applicationservice/eole-server/dictionaries/00_available_probes.xml

+<?xml version="1.0" encoding="utf-8"?>
+<creole>
+    <variables>
+        <family name='general'>
+            <variable name='available_probes' type='oui/non' description="Données d'environnement disponibles" hidden='True'>
+                <value>non</value>
+            </variable>
+        </family>
+    </variables>
+</creole>