js/history: fix history on initial page

There is a workaround for a nasty Chrome missbehaviour, however I have
no longer been able to reproduce it. Temporarily disabled the workaround,
could you please try whether behaviour is better / correct like this?

Please also check for requests firing twice on initial page load.

refs #6277

public/js/icinga/history.js

@@ -110,7 +110,7 @@
             // Chrome workaround:
             onload = !self.pushedSomething && location.href === self.initialUrl;
             self.pushedSomething = true;
-            if (onload) { return; }
+            // if (onload) { return; } // Temporarily disabled
             // End of Chrome workaround
 
             // We might find browsers showing strange behaviour, this log could help