folder.jpg is not visible as icon and thumb (generic icon is only visible) in share view for root network folders/drives

h4. Steps to Reproduce
1. Share one drive or folder on network
2. Place folder.jpg image in the root of that folder/drive
3. Open My Videos share view
4. Only generic icon is visible

Sub-folders inside root shares shows folder.jpg without problem.

h4. Additional Information
Code within virtual directory prevents to show those jpg's in root

Core/Util->VirtualDirectory.cs line 1416

if (share.Pincode < 0 && !Utils.IsNetwork(share.Path))
{....
}

new code which resolve this issue:

if (share.Pincode < 0)
        {
          string coverArt = Utils.GetCoverArtName(item.Path, "folder");
          string largeCoverArt = Utils.GetLargeCoverArtName(item.Path, "folder");
          bool coverArtExists = false;
          if (Util.Utils.FileExistsInCache(coverArt))
          {
            item.IconImage = coverArt;
            coverArtExists = true;
          }
          if (Util.Utils.FileExistsInCache(largeCoverArt))
          {
            item.IconImageBig = largeCoverArt;
          }

            // Fix for Mantis issue 0001465: folder.jpg in main shares view only displayed when list view is used
          else if (coverArtExists)
          {
            item.IconImageBig = coverArt;
            item.ThumbnailImage = coverArt; ///->added
          }
        }
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This was introduced in SVN 21312

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Patch doesn't look safe on a first look because this piece of the code also is used in My Pictures and My Music so it should be carefully tested in all internal MediaPortal plugins

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Another way to resolve this is to naroow it down only for My Videos in Plugins/WindowPlugins/GUIVideoFiles) SelectDVDHandler.cs in:
public void SetIMDBThumbs method
and also GUIVideoFiles.cs need some changes to show those thumbs