GUIComponent---extensionButton/W

extensionButton	watermark

<Box className={styles.extensionButtonContainer}>
    <button
        className={styles.extensionButton}
        title={intl.formatMessage(messages.addExtension)}
        onClick={onExtensionButtonClick}
    >
        <img
            className={styles.extensionButtonIcon}
            draggable={false}
            src={addExtensionIcon}
        />
    </button>
</Box>

<Box className={styles.watermark}>
    <Watermark />
</Box>

{backpackVisible ? (
    <Backpack host={backpackHost} />
) : null}