FullscreenUI: Fix popup close resetting window scroll

src/util/imgui_fullscreen.h

@@ -142,9 +142,18 @@ void EndLayout();
 void PushResetLayout();
 void PopResetLayout();
 
-void QueueResetFocus();
+enum class FocusResetType : u8
+{
+  None,
+  PopupOpened,
+  PopupClosed,
+  WindowChanged,
+  Other,
+};
+void QueueResetFocus(FocusResetType type);
 bool ResetFocusHere();
 bool IsFocusResetQueued();
+FocusResetType GetQueuedFocusResetType();
 void ForceKeyNavEnabled();
 
 bool WantsToCloseMenu();