Require authentication on all Tor control ports

Closes 21461, bugfix on 19765.

torrc_templates/client.tmpl

@@ -1,6 +1,5 @@
 ${include:common.i}
 SocksPort $socksport
-CookieAuthentication 1
 
 #NOTE: Setting TestingClientConsensusDownloadSchedule doesn't
 #      help -- dl_stats.schedule is not DL_SCHED_CONSENSUS

torrc_templates/common.i

@@ -48,3 +48,4 @@ DisableDebuggerAttachment 0
 ${authorities}
 
 ControlPort $controlport
+CookieAuthentication 1