Fix the media gallery's empty state showing up at wrong times.

ElementX/Sources/Other/SwiftUI/Layout/TimelineMediaFrame.swift

@@ -29,4 +29,9 @@ extension View {
             }
         }
     }
+    
+    @ViewBuilder
+    func mediaGalleryTimelineAspectRatio(imageInfo: ImageInfoProxy?) -> some View {
+        aspectRatio(imageInfo?.aspectRatio, contentMode: .fill)
+    }
 }