Fix bug in handling of 9005 faults

lib/session.ts

@@ -2969,9 +2969,9 @@ export async function rpcFault(
     if (toClear) {
       for (const c of toClear)
         device.clear(sessionContext.deviceData, c[0], c[1], c[2], c[3]);
-    }
       return null;
     }
+  }
 
   const fault: Fault = {
     code: `cwmp.${faultResponse.detail.faultCode}`,