Cache file system, and file contents

[mvhenten]

File system data and contents can be cached. Is blocked by the requirement to open and refresh the file tree :)

Also needs additional permission UX flow.

[mvhenten]

                <div className="slot-notifications">
                    <div style={{textAlign: "center"}} className="solid info center text-center spaced-2">
                        <p className="spaced-3 padding-1">Your session has been reloaded <button className="solid small success">Refresh file tree</button><button className="solid small default">Reset session</button></p>
                    </div>
                </div>