Uniformize latex names between Galois groups and Abstract groups

[rvisser7]

Currently we have latexed names stored both for the Galois groups table (column pretty in gps_transitive) and the Abstract groups table (column name in gps_groups). When the same group is listed in both tables, I think it could be helpful to ensure that the latex names always match. Or otherwise, we should just make sure that we are consistently displaying the same latex name when referring to the group from a given webpage on the LMFDB.

Example 1: On the number field page for 9.1.33860761.1, the Galois group 9T30 is given as $C_3^3 : S_4$, but then is also given as $(((C_3 \times (C_3^2 : C_2)) : C_2) : C_3) : C_2$ when displaying links for the conjugacy classes representatives and character table (as well as in the properties box).

https://beta.lmfdb.org/NumberField/9.1.33860761.1

Example 2: On the homepage for the Galois group 9T30, the latex name is first displayed as $(((C_3 \times (C_3^2 : C_2)) : C_2) : C_3) : C_2$ as an abstract group, but then clicking on the dynamic knowl link gives the name as $C_3^3:S_4$, which could seem a bit confusing.

https://beta.lmfdb.org/GaloisGroup/9T30