ui: improve bottom spacing for ImageView's tab indicator dots

Signed-off-by: Bryan Montz <bryanmontz@me.com>
Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/Images/ImageView.swift

@@ -63,6 +63,7 @@ struct ImageView: View {
                 showMenu.toggle()
             })
             .overlay(
+                GeometryReader { geo in
                     VStack {
                         if showMenu {
                             NavDismissBarView()
@@ -74,7 +75,8 @@ struct ImageView: View {
                         }
                     }
                     .animation(.easeInOut, value: showMenu)
-                .padding(.bottom, Theme.safeAreaInsets?.bottom)
+                    .padding(.bottom, geo.safeAreaInsets.bottom == 0 ? 12 : 0)
+                }
             )
         }
     }