refactor: app state handling (#2415) #1934

Job	Run time
Prepare CI	3s
Lint App / biomejs	15s
Tests / Run Tests	2m 17s
Tests / SonarQube Cloud Analysis	1m 22s
Build / Build macOS (electron-builder)	3m 4s
Build / Build Windows (electron-builder)	2m 20s
Build / Build Linux (electron-builder)	3m 55s
	13m 16s

Provide feedback