Log Message:
mail/roundcube: update to 1.3.9

Update roundcube and related pacakges to 1.3.9.

RELEASE 1.3.9
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- Fix TinyMCE download location (#6694)
- Fix bug where a message/rfc822 part without a filename wasn't listed on the \ 
attachments list (#6494)
- Fix handling of empty entries in vCard import (#6564)
- Fix bug in parsing some IMAP command responses that include unsolicited \ 
replies (#6577)
- Fix PHP 7.2 compatibility in debug_logger plugin (#6586)
- Fix so ANY record is not used for email domain validation, use A, MX, CNAME, \ 
AAAA instead (#6581)
- Fix so mime_content_type check in Installer uses files that should always be \ 
available (i.e. from program/resources) (#6599)
- Fix missing CSRF token on a link to download too-big message part (#6621)
- Fix bug when aborting dragging with ESC key didn't stop the move action (#6623)
- Fix bug where next row wasn't selected after deleting a collapsed thread (#6655)