Method called twice when mixed with "as"operator

[dospro]

Describe the bug

Pretty similar bevavior than this issue: #19435
This time it happens when casting return values using the keyword as.

When we have a struct which has a field of a sum type, and a method that returns this field, when calling the method and using as to cast it to a specific type, the method gets called twice

Reproduction Steps

1. Create a new project using command v new some_project
2. In the main file copy and paste the following code

type Numbers = int | string

struct Values {
	value Numbers
}

struct Wrapper {
	element []Values
mut:
	index int
}

fn (mut instance Wrapper) get() Values {
	println("Gets called")
	return instance.element[0]
}

fn main() {
	mut wrapper := Wrapper{
		element: [
			Values{
				value: 1
			},
			Values{
				value: '2'
			},
		]
	}
	println(wrapper.get().value as int)
}

3. Run the file using v run .
4. It prints the following output

Gets called
Gets called
1

Expected Behavior

The method should only be called once.
The output should be

Gets called
1

Current Behavior

The method is called twice.

Possible Solution

No response

Additional Information/Context

No response

V version

V 0.4.1 3d2731f

Environment details (OS name and version, etc.)

V full version: V 0.4.1 https://github.com/vlang/v/commit/28234c76c66034124a8d8b476d452e70b98667b8.3d2731f
OS: macos, macOS, 13.5.2
Processor: 10 cpus, 64bit, little endian, Apple M1 Max
CC version: Apple clang version 15.0.0 (clang-1500.0.40.1)
thirdparty/tcc status: thirdparty-macos-arm64 a668e5a0

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