fix: person bricks should center name

otherwise bricks are at the left and -50% translateY puts them
off-center, while centering long name

routes/room_page_templates_preview.go

@@ -215,15 +215,15 @@ func roomTemplatesPreview(
 
 		var person1 = rooms.Person{
 			Id:   rooms.PersonId(100),
-			Name: "test person 1",
+			Name: "test person name 1",
 		}
 		var person2 = rooms.Person{
 			Id:   rooms.PersonId(200),
-			Name: "test person 2",
+			Name: "test person name 2",
 		}
 		var person3 = rooms.Person{
 			Id:   rooms.PersonId(300),
-			Name: "test person 3",
+			Name: "test person name 3",
 		}
 		aRoom := rooms.Room{
 			Name:           "test",