B2021-014: Incoming Transitions – duplicates in results list

PROMS/Volian.Controls.Library/DisplaySearch.cs

@@ -2873,7 +2873,8 @@ namespace Volian.Controls.Library
 					{
 						ContentInfo ci = ContentInfo.Get(ti.FromID);
 						ItemInfo tmp = ci.ContentItems[0];
-						iil.AddItem(tmp);
+						// B2021-014:  if in list, don't add another
+						if (!iil.Contains(tmp))iil.AddItem(tmp);
 					}
 				}
 			}