hashchange: Fix exiting #subscriptions overlay not updating hash.

This applies fixes a bug where if a user used the Esc key, the
subscriptions hash did not get restored to its previous state.

static/js/click_handlers.js

@@ -256,8 +256,6 @@ $(function () {
 
         if ($(e.target).is(".exit, .exit-sign, #subscription_overlay, #subscription_overlay > .flex")) {
             subs.close();
-
-            hashchange.exit_settings();
         }
     });
     // HOME

static/js/subs.js

@@ -659,6 +659,7 @@ Object.defineProperty(exports, "is_open", {
 });
 
 exports.close = function () {
+    hashchange.exit_settings();
     meta.is_open = false;
     $("#subscription_overlay").fadeOut(500);
     subs.remove_miscategorized_streams();