fix: add accidentally reverted suggestions

lib/utils/hostid/hostid.go

@@ -52,7 +52,7 @@ func ReadFile(dataDir string) (string, error) {
 	if err != nil {
 		if errors.Is(err, fs.ErrPermission) {
 			//do not convert to system error as this loses the ability to compare that it is a permission error
-			return "", err
+			return "", trace.Wrap(err)
 		}
 		return "", trace.ConvertSystemError(err)
 	}
@@ -80,7 +80,7 @@ func WriteFile(dataDir string, id string) error {
 // returns the UUID from it, otherwise generates one
 func ReadOrCreateFile(dataDir string) (string, error) {
 	hostUUIDFileLock := GetPath(dataDir) + ".lock"
-	iterationLimit := 3
+	const iterationLimit = 3
 
 	for i := 0; i < iterationLimit; i++ {
 		if read, err := ReadFile(dataDir); err == nil {