Merge pull request #267 from Iterable/bug/mob-1230-aspect-ratio

[MOB-1230] - Change content mode of UIImageView to "aspect fit".

Author: tapashmajumder

swift-sdk/Internal/IterableInboxCell+Layout.swift

@@ -106,6 +106,7 @@ extension IterableInboxCell {
 
     private static func createIconImageView() -> UIImageView {
         let imageView = UIImageView()
+        imageView.contentMode = .scaleAspectFit
         imageView.translatesAutoresizingMaskIntoConstraints = false
         imageView.widthAnchor.constraint(equalToConstant: 60.0).isActive = true
         imageView.heightAnchor.constraint(equalToConstant: 60.0).isActive = true