Resolve Custom script ids where the scripts actually live

The Custom/ prefix is a namespace, not a directory under SCRIPTS_DIR, so every
launcher that resolved it as one could never find the script.

Plugin/unraid/event/disks_mounted/array_start_jobs

@@ -8,7 +8,9 @@ foreach (\$s as \$id => \$e) {
     if (strncmp(\$id, '__', 2) === 0) continue;
     if ((\$e['cron'] ?? '') !== 'array_start') continue;
     if (empty(\$e['enabled'])) continue;
-    \$script = SCRIPTS_DIR . '/' . \$id;
+    \$script = strncmp(\$id, 'Custom/', 7) === 0
+        ? CUSTOM_SCRIPTS_DIR . '/' . substr(\$id, 7)
+        : SCRIPTS_DIR . '/' . \$id;
     if (!file_exists(\$script)) continue;
     \$flags = !empty(\$e['log_enabled']) ? ' --log' : '';
     exec('nohup bash ' . escapeshellarg(\$runner) . ' ' . escapeshellarg(\$id) . ' ' . escapeshellarg(\$script) . \$flags . ' > /dev/null 2>&1 &');