Funny you mention that, because my friend's team started a weekly virtual coffee chat just to hang out. It was awkward at first, but after a few weeks people opened up and joked around like old times. That regular casual time really helped them feel like a team again.
We had the same thing, grantb92. Our manager set up a Friday video call with no work talk allowed. We just shared dumb pet photos or talked about bad TV shows. It felt forced for maybe two weeks, then someone told a story about a cooking disaster and we all just cracked up. That silly shared time made a huge difference.