vfmt breaks the new attributes syntax

[gechandesu]

Describe the bug

Running v fmt on file replaces the new attributes syntax with old one.

Reproduction Steps

module main

@[
	xml(
		name: 'foo',
		prefix: 'f',
		namespace: 'https://example.com/xmlns/foo'
	)
]
struct Foo {}

@[deprecated(msg: 'use bar() instead', after: '2026-06-01')]
fn foo() {}

fn main() {
	$for attr in Foo.attributes {
		eprintln('struct Foo: ${attr}')
	}
	$for attr in foo.attributes {
		eprintln('fn foo: ${attr}')
	}
}

Expected Behavior

Nothing changed after v fmt file.v.

Current Behavior

module main

@[xml_namespace: 'https://example.com/xmlns/foo']
@[xml_name: 'foo']
@[xml_prefix: 'f']
@[xml]
struct Foo {}

@[deprecated: 'use bar() instead']
@[deprecated_after: '2026-06-01']
fn foo() {}

fn main() {
	$for attr in Foo.attributes {
		eprintln('struct Foo: ${attr}')
	}
	$for attr in foo.attributes {
		eprintln('fn foo: ${attr}')
	}
}

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.5.1 1a32401

Environment details (OS name and version, etc.)

V full version	V 0.5.1 4dc97d9.1a32401
OS	linux, Linux version 6.18.13-arch1-1 (linux@archlinux) (gcc (GCC) 15.2.1 20260209, GNU ld (GNU Binutils) 2.46) #1 SMP PREEMPT_DYNAMIC Wed, 25 Feb 2026 23:12:35 +0000
Processor	16 cpus, 64bit, little endian, 12th Gen Intel(R) Core(TM) i5-1240P
Memory	0.88GB/15.34GB
V executable	/home/ge/.vlang/v
V last modified time	2026-03-25 10:16:18
V home dir	OK, value: /home/ge/.vlang
VMODULES	OK, value: /home/ge/.vmodules
VTMP	OK, value: /tmp/v_1000
Current working dir	OK, value: /tmp
Git version	git version 2.53.0
V git status	weekly.2026.03-573-g1a324019
.git/config present	true
cc version	cc (GCC) 15.2.1 20260209
gcc version	gcc (GCC) 15.2.1 20260209
clang version	clang version 21.1.8
tcc version	tcc version 0.9.28rc 2025-02-13 HEAD@f8bd136d (x86_64 Linux)
tcc git status	thirdparty-linux-amd64 696c1d84
emcc version	N/A
glibc version	ldd (GNU libc) 2.43

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