[Svn] [roundcube/roundcubemail] 4c8ea7: Fix so setting 'login' in config['skin_logo'] does...

[johndoh]

  Branch: refs/heads/master
  Home:   https://github.com/roundcube/roundcubemail
  Commit: 4c8ea71e3a0dd9bebdf8002e973fd33fd6d66a83
      https://github.com/roundcube/roundcubemail/commit/4c8ea71e3a0dd9bebdf8002e973fd33fd6d66a83
  Author: johndoh <roundcube at tehinterweb.co.uk>
  Date:   2020-08-07 (Fri, 07 Aug 2020)

  Changed paths:
    M config/defaults.inc.php
    M program/include/rcmail_output_html.php
    M skins/classic/templates/contactprint.html
    M skins/classic/templates/messageprint.html
    M skins/elastic/meta.json
    M skins/elastic/templates/contactprint.html
    M skins/elastic/templates/includes/menu.html
    M skins/elastic/templates/login.html
    M skins/elastic/templates/messageprint.html
    M skins/elastic/ui.js
    M skins/larry/templates/contactprint.html
    M skins/larry/templates/messageprint.html
    M tests/Rcmail/OutputHtml.php

  Log Message:
  -----------
  Fix so setting 'login' in config['skin_logo'] does not change the favicon (#7456, #7470)

* Fix skin_logo config, again
* Elastic: add support for dark mode logos
* Add new additional_logo_types config for skins