Design review for first public TestFlight (#492)

* 430 - Design review for first public TestFlight

ElementX/Sources/Screens/Authentication/AuthenticationIconImage.swift

@@ -18,16 +18,17 @@ import SwiftUI
 
 /// An image that is styled for use as the screen icon in the onboarding flow.
 struct AuthenticationIconImage: View {
-    let image: ImageAsset
+    let image: Image
     
     var body: some View {
-        Image(image.name)
+        image
             .resizable()
             .renderingMode(.template)
-            .foregroundColor(.element.accent)
-            .frame(width: 90, height: 90)
-            .background(.white, in: Circle().inset(by: 2))
+            .foregroundColor(.element.secondaryContent)
             .accessibilityHidden(true)
+            .padding(20)
+            .frame(width: 72, height: 72)
+            .background(RoundedRectangle(cornerRadius: 14).fill(Color.element.quinaryContent))
     }
 }
 
@@ -35,6 +36,6 @@ struct AuthenticationIconImage: View {
 
 struct AuthenticationIconImage_Previews: PreviewProvider {
     static var previews: some View {
-        AuthenticationIconImage(image: Asset.Images.serverSelectionIcon)
+        AuthenticationIconImage(image: Image(asset: Asset.Images.serverSelectionIcon))
     }
 }