katex: increase `maxExpand` setting

[nschloe]

Feature Description

One of Gitea's strengths compared to GitHub is its ability to show lots of math in a page. Unfortunately, the amount of math that can be shown in one equation is limited. Consider

\rho\left(t\right)\!=\!\!\left(\begin{array}{cccc}0&\!0&\!0&\!\!\!0\\
0&\!\left|c_{1}\!\left(t\right)\right|^{2}&\!c_{1}\!\left(t\right)\!c_{2}^{*}\!\left(t\right)&\!\!\!0\\
0&\!c_{2}\!\left(t\right)\!c_{1}^{*}\!\left(t\right)&\!\left|c_{2}\!\left(t\right)\right|^{2}&\!\!\!0\\
0&0&0&\!\!\!1\!-\!\left|c_{1}\!\left(t\right)\right|^{2}\!-\!\left|c_{2}\!\left(t\right)\right|^{2}\end{array}\right),

On GitHub, this renders fine:

$$\rho\left(t\right)\!=\!\!\left(\begin{array}{cccc}0&\!0&\!0&\!\!\!0\\\ 0&\!\left|c_{1}\!\left(t\right)\right|^{2}&\!c_{1}\!\left(t\right)\!c_{2}^{*}\!\left(t\right)&\!\!\!0\\\ 0&\!c_{2}\!\left(t\right)\!c_{1}^{*}\!\left(t\right)&\!\left|c_{2}\!\left(t\right)\right|^{2}&\!\!\!0\\\ 0&0&0&\!\!\!1\!-\!\left|c_{1}\!\left(t\right)\right|^{2}\!-\!\left|c_{2}\!\left(t\right)\right|^{2}\end{array}\right),$$

I'd suggest to increase katex's maxExpand setting, perhaps to its default of 1000.

Screenshots

No response