[Bug] Template disappears on each Basic MathJax card

[dae]

Extra vertical space on card (2.1.55 beta 4)

I have a card with the following HTML: Consider a particle with position \(X\in \reals\) and velocity&nbsp;\(Y \in \reals.\) The following SDE is called the {{c1::<i>Ornstein-Uhlenbeck&nbsp;process</i>}}: \[\left\{\begin{aligned}mdY&amp;=\underbrace{-b Y d t}_{\text {dissipation }}+\underbrace{q d W}_{\text {fluctuation }} \\<br>d X&amp;={{c2::Y dt}}<br>\end{aligned}.\right.<br>\] When the card is rendered while studying it, there looks like there are four or five blank lines between the text …