[request] Make room mention pill, when its a space, be more square-ish than round-ish

[ShadowJonathan]

Related to #17244

I think adding that little touch of design language helps solidify the differences between spaces and rooms as simple as "circle" and "square"

[gaelledel]

It is better practice to keep small components like these consistent no matter the context as its core functionality is to do the same action.