less verbose command_execution_time

config/lean.zsh

@@ -147,8 +147,10 @@ fi
   # Show the signal as INT, ABORT, KILL, etc.
   typeset -g POWERLEVEL9K_STATUS_ERROR_CONTENT_EXPANSION='${${P9K_CONTENT#SIG}//[!A-Z]}'
 
-  # Show execution time of the last command if it's longer than this many seconds.
-  typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_THRESHOLD=0
+  # Show execution time of the last command if takes longer than this many seconds.
+  typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_THRESHOLD=5
+  # Show this many fractional digits. Zero means round to seconds.
+  typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_PRECISION=0
   # Execution time color.
   typeset -g POWERLEVEL9K_COMMAND_EXECUTION_TIME_FOREGROUND=101