Escaped characters in lateral bar

[davidoskky]

In the lateral bar if the name of a tag or a source contains a character that needs to be escaped in html, the escaped version is displayed. & is displayed as & and so on.

To reproduce this issue you can add a source, inserting the character & in the title or in the tag.

[jtojnar]

Thanks for reporting. This was a downfall from #1184 and it should be fixed now.