Running SoapUI in HiDPI Monitor on Ubuntu 19.10

I'm trying to run SoapUI Open Source on a HiDPI monitor scaled to 200%, but the GUI is very small and unusable.

Is there a workaround to get it to scale correctly?

I have seen in this post in SO that a solution may be to run it using JRE 9: https://stackoverflow.com/questions/15659044/how-to-set-the-dpi-of-java-swing-apps-on-windows-linux 

Is there any chance to run SoapUI Open Source on JRE 9 o higher?