[util.go] It is better to see in a cmdline, rather than in comm.

For example, matrix synapse in comm has just python3. So lets look in both comm and cmdline.

util.go

@@ -18,7 +18,7 @@ func GetProcessPIDs(name string) ([]int, error) {
 	for _, entry := range dir {
 		pid, err := strconv.Atoi(entry.Name())
 		if entry.IsDir() && err == nil {
-			f, err := os.ReadFile("/proc/" + entry.Name() + "/comm")
+			f, err := os.ReadFile("/proc/" + entry.Name() + "/cmdline")
 			if err != nil {
 				return nil, err
 			}