refactor: use window not globalThis #1913

Job	Run time
Prepare CI	2s
Lint App / biomejs	19s
Tests / Run Tests	1m 47s
Tests / SonarQube Cloud Analysis	1m 10s
Build / Build macOS (electron-builder)	5m 11s
Build / Build Linux (electron-builder)	4m 19s
Build / Build Windows (electron-builder)	2m 20s
	15m 8s

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