1. Fix app menu overflow button to be centered
2. Ensure the overflow calculation always just removed one element (incl. refactor to use `@vueuse`)
3. Ensure we use 1.5 line height for app menu, otherwise some languages look squashed under the app icon
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
This allows to split one large block of code into three components with each one usecase.
Allowing for better readability and maintainablility.
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>
