Custom Event functions cannot be called in sublevel event graphs if sublevel is not visible

Calling a custom event in a sublevel blueprint of a sublevel that is currently hidden will not show the custom event's function in the context menu.

Regression (no) issue (does) occur in 4.11.2

1. Open Editor (any project)
2. Open Window>Levels
3. Add new sublevel to current level
4. Open Sublevel blueprint
5. Create Custom Event>Name "test"
6. In Levels window, select eye icon next to sublevel to hide level
7. Open sublevel blueprint again
8. RMB to open context menu on event graph> type "test" to find test function.

Results

No function appears in context menu.

Expected

Function appears in context menu list.