Multi-sub transition cinematic, linkedsubs don't have to be docked to the main sub when leaving (being at the same exit is enough), resetting item/serverlog listbox scroll when filtering the list

Subsurface/Source/Screens/EditMapScreen.cs

@@ -464,9 +464,12 @@ namespace Barotrauma
 
             foreach (GUIComponent child in GUItabs[selectedTab].GetChild<GUIListBox>().children)
             {
-                child.Visible = child.GetChild<GUITextBlock>().Text.ToLower().Contains(text);
+                var textBlock = child.GetChild<GUITextBlock>();
+                child.Visible = textBlock.Text.ToLower().Contains(text);
             }
 
+            GUItabs[selectedTab].GetChild<GUIListBox>().BarScroll = 0.0f;
+
             return true;
         }