Giant rectangle showing when I select an item?

Whenever I select something on my canvas, I get this big blue rectangle below my selection that grows or shrinks as I zoom in/out. This just happened today, does anyone know how to turn this off?? It’s super annoying and I have no idea what it’s used for

Screen Shot 2021-03-24 at 11.08.03 AM

Does restarting Figma or computer help? This seems like the selection size box without text for some reason. Try turning the Show dimensions on objects setting off and on again.

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I’m not sure what caused it but it must have been a glitch! As soon as I restarted the desktop app it went back to normal