Echo function swallows previous echo newline: false

[jcubic]

Issue summary

When you echo newline: false and then echo a function, the newline: false disappears.

Expected behavior

The text should be stable

Steps to reproduce

Repro: https://codepen.io/jcubic/pen/qENbVJq?editors=0010

Browser and OS

N/A

Additional notes

Found while fixing:

• Exec is not refreshed with new added formatters #1013