Fix existing bootstrapPassword secret read

StringData field is used only on Create. On Read StringData is always nil.

This commit fixes evaluating exiting secret by evaluating len of Data and
considers secret is set if at least 1 character present

Signed-off-by: Dinar Valeev <[email protected]>

pkg/data/management/bootstrap_password.go

@@ -30,7 +30,7 @@ func GetBootstrapPassword(ctx context.Context, secrets corev1.SecretInterface) (
 	}
 
 	// if the bootstrap password is set return it
-	if s.StringData[bootstrapPasswordSecretKey] != "" {
+	if len(s.Data[bootstrapPasswordSecretKey]) > 0 {
 		return s.StringData[bootstrapPasswordSecretKey], generated, nil
 	}