A struct with an option field of type interface doesn't accept none as value

[alfaus]

Describe the bug

Code: https://play.vlang.io/p/c83cdab448

interface TestIntf {
	test()
}

struct TestStruct {
	ti ?TestIntf
}

fn TestStruct.new() TestStruct {
	return TestStruct{
		ti: none
	}
}

Reproduction Steps

The code presented doesn't compile with error: none doesn't implement method test of interface TestIntf

Expected Behavior

Code compiles

Current Behavior

Output:

code.v:11:3: error: `none` doesn't implement method `test` of interface `TestIntf`
    9 | fn TestStruct.new() TestStruct {
   10 |     return TestStruct{
   11 |         ti: none
      |         ~~~~~~~~
   12 |     }
   13 | }
Exited with error status 1

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.4.5 58a8fc6

Environment details (OS name and version, etc.)

V full version: V 0.4.5 58a8fc6
OS: linux, Debian GNU/Linux 11 (bullseye) (VM)
Processor: 1 cpus, 64bit, little endian, Intel(R) Xeon(R) CPU E5-2686 v4 @ 2.30GHz

getwd: /home/admin/playground
vexe: /home/admin/v/v
vexe mtime: 2024-05-15 15:25:24

vroot: OK, value: /home/admin/v
VMODULES: OK, value: .vmodules
VTMP: OK, value: /tmp/v_0

Git version: git version 2.30.2
Git vroot status: Error: fatal: detected dubious ownership in repository at '/home/admin/v'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v
.git/config present: true

CC version: cc (Debian 10.2.1-6) 10.2.1 20210110
thirdparty/tcc status: Error: fatal: detected dubious ownership in repository at '/home/admin/v/thirdparty/tcc'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v/thirdparty/tcc
 Error: fatal: detected dubious ownership in repository at '/home/admin/v/thirdparty/tcc'
To add an exception for this directory, call:

	git config --global --add safe.directory /home/admin/v/thirdparty/tcc

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