GDScript 2.0: Can't write multiline assert statements

[blaze-the-star]

Godot version

4.0.beta7.official

System information

Ubuntu

Issue description

Attempting to write an assert statement on multiple lines causes the following error:
Expected expression to assert

Steps to reproduce

Example:

# This is fine
get_node(
    ""
)

# and this is fine
assert(true, "")

# but his is not
assert(
    true,
    ""
)

Minimal reproduction project

N/A

[Calinou]

Duplicate of #66535.