kukymbr

Add RunWithContext function

1

At the moment, there is no way to cancel the GUI's run if something went wrong in some other part of an application. I propose to add a `window.RunWithContext` function...

Upgrade to Java 21 / JFX 21 (or equivalent) with the aim of supporting Apple Silicon properly

15

Cannot build the Quelea on the M1 chip following the SETUP.md guide, it fails with an error `Error initializing QuantumRenderer: no suitable pipeline found`. The [Google says](https://stackoverflow.com/a/75160212/5210545), the JavaFX 19+...