Min spec time
Fixes for #1875 (closed) and #1856 (closed)
With this branch forced join on connection applied either by sv_spectate 0 and LMS rules, is delayed by 1 second; any attempt to avoid this rule causes a fatal error in order to avoid any possible current (unknown) and future issue.
Workaround c32f7f69 implemented to fix #1834 (closed) wouldn't be needed with the changes in this branch.