I can use LaTeX with the TeXstudio app as flatpak, and I can use inkscape with the Inkscape app. However, inside the inkscape app I cannot use LaTeX to render beautiful math into my svg drawings. Klicking on Extensions -> Render -> Mathematics only shows a greyed out and unclickable LaTeX (pdflatex).
How can I use LaTeX from within the inkscape app? This is important for me when I want to change to Fedora silverblue, where apps are supposed to be used as flatpaks.
P.S. Everything works fine if I install LaTeX and inkscape via dnf, but I am interested in the flatpak/silverblue way of things.