0041477: If you navigate to the same window were you are scan stops working

diff -r 7b2ecb62f7a0 web/org.openbravo.mobile.core/source/model/ob-terminal-model.js
--- a/web/org.openbravo.mobile.core/source/model/ob-terminal-model.js	Mon Jul 29 12:25:38 2019 +0200
+++ b/web/org.openbravo.mobile.core/source/model/ob-terminal-model.js	Tue Jul 30 10:35:58 2019 +0200
@@ -535,6 +535,10 @@
    * http://backbonejs.org/#Router-navigate
    */
   navigate: function(route, pReplace, parameters) {
+    if(route === Backbone.history.getFragment()) {
+      OB.info("Navigating to same window: "+route+". Navigation cancelled.");
+      return true;
+    }
     if (pReplace !== false) {
       pReplace = true;
     }