mermaid - box cuts letters like q, p...

[Pshemas]

Describe the bug
When you create chart (flowchart for example) and you have letters like "p", "q", "j" the lower part of the letter gets cut out. In built-in slides this works correctly, the whole letter displays.

Samples to Reproduce
Create something like this in a mermaid codeblock:

flowchart LR
a --> b
b --> q
q --> j

And display it the browser. On my end it looks like this:

Expected behavior
The result should be closer to: