Lightroom menu bar too large
I have recently updated my laptop to a Dell XPS13 with a 4K monitor, and the Dell 2410 monitors I use for photo editing have 1920 x 1080 resolution. I am connecting to the monitors through a Dell Thunderbolt TB16 docking station - both display port and HDMI outputs have the same problem.
Lightroom renders the top-level menu and menus accessed from that menu in a huge font. ( screen shot attached ).

I realise that font scaling needs to be adjusted between monitors of different resolutions. This is not a general problem, but one limited to specific parts of the lightroom UI - Photoshop is fine, and as the screenshot shows, the rest of the Lightroom UI is fine too.
I can't show the menus, but the file menu items are of a similar size. However, dialogs accessed from menus such as export show a large header font, and correct detail font too.

Any ideas ?
