LPS-42645 we don't need the image ID to build the image src
LPS-42645 use defaultLogo instead of imageId in the logo selector. (This way it will work with any kind of image, not only the ones stored in the table Image)
LPS-42645 fix wrong path for layout images
LPS-42645 keep the image even after refreshing the page because there has been an error with the form
LPS-42645 mark the form-navigator as modified when changing the logos