adding lockfile so it is only a onetime event and improving chown avg time

init/90_chown_plex_owned_files.sh

@@ -1,13 +1,11 @@
 #!/bin/bash
 
-
 if [ ! -d "/config/Library" ]; then
   mkdir /config/Library
   chown abc:abc /config/Library
 fi
 
-
-
-if [ ! -f "/config/Library/chown.log" ]; then
-	chown -Rc abc:root /config/Library >> /config/Library/chown.log
+if [ ! -f "/config/Library/linuxserver-chown.lock" ]; then
+  find /config/Library ! \( -user abc -a -group root \) -print0 | xargs -0 chown abc:root
+  touch /config/Library/linuxserver-chown.lock
 fi