rules: add location rewrite only rule for disqus

wombat: ensure _orig_setAttribute is still set even if setAttribute rewriting disabled!

pywb/rules.yaml

@@ -154,6 +154,13 @@ rules:
         replace: 'videos'
         match: 'videos(?:_[^/]+)?/([^?]+)'
 
+    # disqus
+    - url_prefix: 'com,disqus'
+
+      rewrite:
+        js_rewrite_location: location
+
+
     # youtube rules
     #=================================================================
 

pywb/static/wombat.js

@@ -1137,7 +1137,10 @@ _WBWombat = (function() {
         // setAttribute
         if (!wb_opts.skip_setAttribute) {
             init_setAttribute_override(wb_opts.use_attr_observers);
+        } else {
+            Element.prototype._orig_setAttribute = Element.prototype.setAttribute;
         }
+
         // ensure namespace urls are NOT rewritten
         init_createElementNS_fix();