improvements

iOSClient/Viewer/NCViewerProviderContextMenu.swift

@@ -33,7 +33,7 @@ class NCViewerProviderContextMenu: UIViewController  {
 
     override func loadView() {
         view = imageView
-        imageView.contentMode = .scaleAspectFill
+        imageView.contentMode = .scaleAspectFit
         preferredContentSize = imageView.frame.size
     }
     
@@ -42,6 +42,7 @@ class NCViewerProviderContextMenu: UIViewController  {
         if let videoLayer = self.videoLayer {
             videoLayer.frame = imageView.layer.bounds
         }
+        preferredContentSize = imageView.frame.size
     }
     
     init(metadata: tableMetadata) {
@@ -131,8 +132,6 @@ class NCViewerProviderContextMenu: UIViewController  {
         
         imageView.image = image
         imageView.frame = CGRect(x: 0, y: 0, width: image?.size.width ?? 0, height: image?.size.height ?? 0)
-        
-        preferredContentSize = imageView.frame.size
     }
     
     private func viewVideo(metadata: tableMetadata) {
@@ -165,8 +164,6 @@ class NCViewerProviderContextMenu: UIViewController  {
         
             player.isMuted = true
             player.play()
-            
-            preferredContentSize = imageView.frame.size
         }
     }