Base64Png Editor Add IsDirty

Base64PngEditor.tsx

/**
 * Added on the end of the NavList an isDirty indicator.
 */
<NavItem itemId={0}>
  <div className={"base64png-editor--tweaks-nav-item"}>
    <p>Invert</p>
    <Switch
      id="invert-switch"
      isDisabled={disabled}
      isChecked={invert === "100"}
      onChange={(value) => tweakInvert(value ? "100" : "0")}
    />
  </div>
</NavItem>
{stateControl.isDirty() && (
  <div style={{ display: "flex", alignItems: "center", padding: "20px" }}>
    <p style={{ color: "red" }}>Image was Edited!</p>
  </div>
)}
</NavList>