Clearing a search query in My Blueprints tab collapses all sections

After clearing a search query in the My Blueprint tab in the blueprint editor, all the sections will be collapsed even if they were expanded prior to searching.

1. Open QAGame in editor.
2. Open QA_DiffTest.
3. In the My Blueprint panel, enter anything in the search field (doesn't matter if it filters for anything).
4. Click the X in the search field.

RESULT

All the sections are now collapsed.