TLN hover menu enabled - can't select 1st level node

Hi,
I've enabled the hover menu for TLN, but now I can't select a 1st level node, only 2nd level ones. When I click on something on the first level, it just ignores it.
Is this how it's supposed to behave, and can I change it?
Many thanks
Jane

SAP have said this is how it is meant to work, but in some cases it makes the TLN harder to use.
How would I go able making the first-level tabs act the same way in the hover menu as they do normally?
Any help would be greatly appreciated!
Regards
Jane

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