Updated nextcloud server package from 14.0.3 to 14.0.4 for Debian Stretch.

I highly recommend upgrading, check list of changes.

Changes (source from https://nextcloud.com/changelog/):

• Allow overwrite.cli.url without trailing slash (server#11772)
• Remove duplicate call to decodeURIComponent (server#11781)
• Check for empty string (server#11783)
• Add "Referrer-Policy" to htaccess file, addresses issue #11099 (server#11798)
• Always query the lookup server in a global scale setup (server#11800)
• Fix a case where "password_by_talk" was not a boolean (server#11851)
• Add .l10nignore files for compiled assets (server#11925)
• Properly escape column name in "createFunction" call (server#11929)
• Allow userId to be null (server#11939)
• Allow "same-origin" as "Referrer-Policy" (Backport to stable14) (server#11950)
• Do not emit preHooks twice on non-part-storage (server#11961)
• Filter null values for UserManager::getByEmail (server#11976)
• Allow local delivery of schedule message while prohibiting FreeBusy requests (server#11979)
• Load apps/APP/l10n/*.js and themes/THEME/apps/APP/l10n/*.js (server#11990)
• Lazy open first source stream in assemblystream (server#11994)
• Fix opening a section again in the Files app (server#11995)
• Remove cookies from Clear-Site-Data Header (server#12005)
• Forwarded ExpiredTokenException (server#12032)
• Allow chunked uploads even if your quota is not sufficient (server#12040)
• Improve encrypt all / decrypt all (server#12045)
• Double check for failed cache with a shared storage (server#12108)
• Implement the size of an assembly stream (server#12111)
• Bring the browser window of an actor to the foreground when acting as him (server#12120)
• Move acceptance tests that crash the PHP built-in server to Apache (server#12121)
• Remove unneeded empty search attribute values, fixes #12086 (server#12122)
• Fixes wrong variable usage (server#12137)
• LDAP: announce display name changes so that addressbook picks it up (server#12141)
• Bruteforce protection handling in combination with (server#12160)
• Add global site selector as user back-end which doesn't support password confirmation (server#12184)
• Do not set indeterminate state for file shares (server#12187)
• Revert "Wait for cron to finish before running upgrade command" (server#12197)
• Fix bug #12151: fix list formatting by correcting malformed html (server#12202)
• A folder should get a folder mimetype (server#12297)
• Use the proper server for the apptoken flow login (server#12299)
• Do not log FileLock as exception (server#12300)
• Set the filemodel before rending the detailsview (server#12301)
• Disabled ldap fix (server#12331)
• Fix - Add to favorites not working in IE11 (server#12339)
• Remove arrow function for ie compatibility (server#12341)
• Fix default types of activity event member variables (server#12353)
• Suppress wrong audit log messages about failed login attempts (server#12372)
• Add fix for IE11 flexbox height bug (server#12374)
• Properly search the root of a shared external storage (server#12375)
• Fix app update available check (server#12412)
• Use nextcloud-password-confirmation (server#12416)
• Fix IE rule for min width (server#12431)
• Added cache override to ensure an always up-to-date accessibility css (server#12432)
• Unique contraint and deadlock fixes for filecache and file_locks (server#12433)
• Fix app menu calculation for random size of the right header (server#12440)
• Fix missing quickaccess favorite folder on add (server#12441)
• Fixes dav share issue with owner (server#12459)
• Fix wrong share popover opening on share link (server#12482)
• Only use width and opacity for transition (server#12492)
• Forward object not found error in swift as dav 404 (server#12502)
• Fix the warning appearing in the admin section when mail_smtpmode is not configured (server#12529)
• Remove unused svg api route (server#12542)
• Bearer tokens are app token (server#12545)
• Handle permission in update of share better (server#12561)
• Correctly restrict affected users when using command to send emails (activity#312)
• Improve code blocks in markdown rendering (files_texteditor#121)
• Properly escape column name in "createFunction" call (survey_client#85)