Added Cloisons list method

src/session.ts

@@ -450,6 +450,19 @@ export class Session {
         return res;
     }
 
+    /**
+     * Returns all Nubs of type Cloisons, to be used as models in PAB
+     */
+    public getCloisonsNubs() {
+        const cloisonsNubs: Nub[] = [];
+        for (const n of this._nubs) {
+            if (n instanceof Cloisons) {
+                cloisonsNubs.push(n);
+            }
+        }
+        return cloisonsNubs;
+    }
+
     /**
      * Crée un Nub de type Section
      * @param nt ComputeNodeType