Description of problem:
Login to cockpit fails with blank screen.

Version-Release number of selected component (if applicable):
cockpit-281-1.fc37.x86_64


Steps to Reproduce:
1. Just install it and try to log in.

Actual results:
Blank screen

Expected results:
Dashboard shown. It worked fine with previous version cockpit-280-1.fc37.x86_64.


Additional info:
pro 06 08:41:16 server cockpit-session[169145]: pam_succeed_if(cockpit:auth): requirement "uid >= 1000" was met by user "waclaw"
pro 06 08:41:16 server audit[169145]: USER_AUTH pid=169145 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='op=PAM:authentication grantors=pam_succeed_if,pam_usertype,pam_localuser,pam_unix acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:16 server audit[169145]: USER_ACCT pid=169145 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='op=PAM:accounting grantors=pam_shells,pam_unix,pam_localuser acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:16 server audit[169145]: CRED_ACQ pid=169145 uid=0 auid=4294967295 ses=4294967295 subj=kernel msg='op=PAM:setcred grantors=pam_localuser,pam_unix acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:16 server cockpit-session[169145]: pam_ssh_add: Failed adding some keys
pro 06 08:41:16 server systemd-logind[870]: New session 551 of user waclaw.
pro 06 08:41:16 server systemd[1]: Started session-551.scope - Session 551 of User waclaw.
pro 06 08:41:16 server cockpit-session[169145]: pam_unix(cockpit:session): session opened for user waclaw(uid=1000) by (uid=0)
pro 06 08:41:16 server audit[169145]: USER_START pid=169145 uid=0 auid=1000 ses=551 subj=kernel msg='op=PAM:session_open grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_ssh_add,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_umask,pam_lastlog acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:16 server audit[169145]: CRED_REFR pid=169145 uid=0 auid=1000 ses=551 subj=kernel msg='op=PAM:setcred grantors=pam_localuser,pam_unix acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:17 server polkitd[854]: Registered Authentication Agent for unix-session:551 (system bus name :1.1454 [cockpit-bridge], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale C.UTF-8)
pro 06 08:41:17 server cockpit-ws[169152]: invalid or unusable locale: cs.UTF-8
pro 06 08:41:32 server polkitd[854]: Unregistered Authentication Agent for unix-session:551 (system bus name :1.1454, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale C.UTF-8)
pro 06 08:41:32 server audit[169145]: CRED_DISP pid=169145 uid=0 auid=1000 ses=551 subj=kernel msg='op=PAM:setcred grantors=pam_localuser,pam_unix acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:32 server cockpit-session[169145]: pam_unix(cockpit:session): session closed for user waclaw
pro 06 08:41:32 server audit[169145]: USER_END pid=169145 uid=0 auid=1000 ses=551 subj=kernel msg='op=PAM:session_close grantors=pam_selinux,pam_loginuid,pam_selinux,pam_keyinit,pam_ssh_add,pam_keyinit,pam_limits,pam_systemd,pam_unix,pam_umask,pam_lastlog acct="waclaw" exe="/usr/libexec/cockpit-session" hostname=::ffff:127.0.0.1 addr=::ffff:127.0.0.1 terminal=? res=success'
pro 06 08:41:32 server systemd[1]: session-551.scope: Deactivated successfully.
pro 06 08:41:32 server systemd-logind[870]: Session 551 logged out. Waiting for processes to exit.
pro 06 08:41:32 server systemd-logind[870]: Removed session 551.