Add right-click on radial menu to close (#509)

## Description:

UX Improvement - Add right-click on radial menu to close it, instead of
having to click outside the menu.

Fixes #520 

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:

eyeseeem

Co-authored-by: Max Dohme <max.dohme@gmail.com>

src/client/graphics/layers/RadialMenu.ts

@@ -138,6 +138,7 @@ export class RadialMenu implements Layer {
       .style("touch-action", "none")
       .on("contextmenu", (e) => {
         e.preventDefault();
+        this.hideRadialMenu();
       });
 
     const svg = this.menuElement