"score" rawtext no longer works when they are the first text

The bug

When a score text component is the first entry of a rawtext array, the entire text does not appear.

How to reproduce

1. /scoreboard objectives add test dummy

2. /scoreboard players set blah test 5

3. /tellraw @a {"rawtext":[{"score":{"name":"blah","objective":"test"}}]}

Expected result

Should output “5”

Observed result

No output