_validateSessionScope() {
		const { scope } = this.session;
		if ( !scope || !this._validateScope( scope.split( SEP_SCOPES_STORAGE ) ) ) {
			throw new Error( "Invalid access token scopes" );
		}
	}
Check the scopes on the stored Auth record before attempting a login.
Scopes can always be updated/extended in the future, requiring a new authentication.