### Godot version

v4.0custom_build[fcba87e]

### System information

Windows 10

### Issue description

Error when trying to call a method with a ternary operator.

### Steps to reproduce

```
extends Node

func _ready() -> void:
	test() if true else test()

func test() -> void:
	pass
```
[fcba87e](https://github.com/godotengine/godot/commit/fcba87e696d58912838d8a4a6987b10efa28e78f) - `Line 4:Cannot get return value of call to "test()" because it returns "void".`

v4.0beta10 - works fine

### Minimal reproduction project

[ternary_bug.zip](https://github.com/godotengine/godot/files/10368477/ternary_bug.zip)

update_extents(assignment);
	make_completion_context(COMPLETION_ASSIGN, assignment);
#ifdef DEBUG_ENABLED
	bool has_operator = true;
#endif
	switch (previous.type) {
		case GDScriptTokenizer::Token::EQUAL:
			assignment->operation = AssignmentNode::OP_NONE;
			assignment->variant_op = Variant::OP_MAX;
#ifdef DEBUG_ENABLED
			has_operator = false;
#endif
			break;
		case GDScriptTokenizer::Token::PLUS_EQUAL:
			assignment->operation = AssignmentNode::OP_ADDITION;
			assignment->variant_op = Variant::OP_ADD;
			break;
		case GDScriptTokenizer::Token::MINUS_EQUAL:
			assignment->operation = AssignmentNode::OP_SUBTRACTION;
			assignment->variant_op = Variant::OP_SUBTRACT;
			break;
		case GDScriptTokenizer::Token::STAR_EQUAL:
			assignment->operation = AssignmentNode::OP_MULTIPLICATION;
			assignment->variant_op = Variant::OP_MULTIPLY;
			break;
		case GDScriptTokenizer::Token::STAR_STAR_EQUAL:
			assignment->operation = AssignmentNode::OP_POWER;
			assignment->variant_op = Variant::OP_POWER;
			break;
		case GDScriptTokenizer::Token::SLASH_EQUAL: