Theme studio's theme doesn't update if Fluxer's theme is changed while it is open

Observed behaviour

Theme studio keeps the appearance and default token values of whatever default theme was active when it was open

Reproduction steps

Open Theme studio into its own window
In the Fluxer window, change the default theme
Observe the Theme studio window

Build information

Canary 751 (0b07df6), Host 0.0.210, Windows 11 10.0.26200 (x64), Electron 41.2.2, Chrome 146.0.7680.188, Node 24.14.1, Locale en-US

Platform

Windows

Details

Expected behaviour Theme studio should change its appearance to match the selected default theme, and default token values should be that of the selected default theme