Steps:
1. make a query for "Array"
2. dismiss the Blueprint results window
3. make another query for "Boolean"
4. in the results window, click "Back"
Result: nothing happens
Expected: it should go back to my preious query for "Array"
The history seems to be maintained when the window is docked, but not otherwise. I think it would be more useful to always retain the history, particularly since its very easy to unintentionally dismiss with popup window.
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