Fix to explicitly call for manual refresh

Presumably some args are passed to the sub when called using cli causing unintentional outcome

https://forum.virtualmin.com/t/collectinfo-pl-high-cpu-usage/108841/4

https://www.virtualmin.com/node/54532#comment-832029

system-status/recollect.cgi

@@ -4,5 +4,5 @@
 use strict;
 use warnings;
 require './system-status-lib.pl';
-&scheduled_collect_system_info(1);
+&scheduled_collect_system_info('manual');
 &redirect($ENV{'HTTP_REFERER'});

system-status/system-status-lib.pl

@@ -89,7 +89,7 @@ if (defined(&proc::get_cpu_io_usage)) {
 	}
 
 # Regenerate OS cache
-if ($manual) {
+if ($manual eq 'manual') {
 	if (&foreign_available('webmin')) {
 		&foreign_require("webmin");
 		&webmin::detect_operating_system();