Given that on 1 November 2022 the Portfolio Committee on Home Affairs was informed that staff in the Home Affairs legislative drafting unit do not have the necessary legislative drafting expertise, what (a) total number of staff are in the legislative drafting unit, (b) is the total salary and benefits of the staff in the specified unit, (c) are the reasons that staff were hired to the positions without the relevant experience, (d) work are the staff currently busy with given that they do not have legislative drafting expertise, (e) are the reasons that legislative drafting training was not undertaken for the staff, (f) period has the position of Director: Legal Drafting been vacant and (g) are the reasons that an independent legislative drafter was appointed and the skill was not brought in-house?