fix(dialogHeight): Adapt dialog height to images with large height

[rafaisen]

Adapt dialog height to images with a big ratio, when its height it's much bigger than the width; Adaptable to every iPhone with different screen sizes and ratios; This corrects the problem with some iPhone devices where the height of the dialog surpasses the height of the device's screen; Tested in every iPhone since 6s and SE 1st generation.