FIX: prevents malformed href to crash TopicEmbed (#12910)

If the associated page of a remote url passed to `TopicEmber.new(remote_url)` contained a malformed link like: `<a href="(http://foo.bar)">Baz</a>` it would raise an uncaught exception:

```
Job exception: Invalid scheme format: (http
```

app/models/topic_embed.rb

@@ -165,7 +165,7 @@ class TopicEmbed < ActiveRecord::Base
             uri.host = original_uri.host
             node[url_param] = uri.to_s
           end
-        rescue URI::Error
+        rescue URI::Error, Addressable::URI::InvalidURIError
           # If there is a mistyped URL, just do nothing
         end
       end