GLPK backend: More basis status and tableau data functions #19472
Description
This is a follow-up to #18685, #18732.
It adds get_row_prim, set_row_stat, set_col_stat, warm_up.
These are the remaining functions necessary to implement #18804.
CC: @uduse @dimpase @nathanncohen @videlec @yuan-zhou
Component: numerical
Author: Aedi Wang
Branch/Commit: 37e90e8
Reviewer: Dima Pasechnik
Issue created by migration from https://trac.sagemath.org/ticket/19472