wait instead of run task

Author: Jasmine

src/GitHub.VisualStudio/Menus/CopyLink.cs

@@ -47,10 +47,7 @@ public async void Activate([AllowNull]object data = null)
 
         public bool CanShow()
         {
-            return System.Threading.Tasks.Task.Run(() =>
-            {
-                return IsGitHubRepo(); 
-            }).Result;
+            return IsGitHubRepo().Wait(250); 
         }
 
     }

src/GitHub.VisualStudio/Menus/OpenLink.cs

@@ -36,10 +36,7 @@ public async void Activate([AllowNull]object data = null)
 
         public bool CanShow()
         {
-            return System.Threading.Tasks.Task.Run(() =>
-            {
-                return IsGitHubRepo();
-            }).Result;
+            return IsGitHubRepo().Wait(250);
         }
     }
 }