### Godot version

v4.0.beta11.official [91713ced8]

### System information

macOS 13.1

### Issue description

When using a function with a return type of `void` as the return value of another function with a return type of `void`, the following error occurs: 
> Cannot get return value of call to "foo()" because it returns "void"

This wasn't a problem in Godot 3.x and Godot 4.x until now. Seems it's related to https://github.com/godotengine/godot/pull/70702. 

I understand why this is happening, but I'd expect to be able to use functions like this that return `void` because they both use the matching return type. It seems overly strict.

In a real world example I use this to return early when switching states in a FSM:

```gdscript
func _process(_delta: float) -> void:
  if player.is_grounded():
    return state_machine.transition_to("ground") # returns void

  if player.is_on_wall():
    return state_machine.transition_to("wall") # returns void
```

### Steps to reproduce

```gdscript
extends Node

func foo() -> void:
	print("hello")

func _ready() -> void:
	return foo()
```

### Minimal reproduction project

[godot_4_return_value_regression.zip](https://github.com/godotengine/godot/files/10385377/godot_4_return_value_regression.zip)

if (og_cast_type.kind == GDScriptParser::DataType::ENUM) {
					
					cast_type.kind = GDScriptDataType::BUILTIN;
					cast_type.builtin_type = Variant::INT;
				}
				
				result = codegen.add_temporary(cast_type);
				GDScriptCodeGenerator::Address src = _parse_expression(codegen, r_error, cn->operand);
				gen->write_cast(result, src, cast_type);
				if (src.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
					gen->pop_temporary();
				}
			} else {
				result = _parse_expression(codegen, r_error, cn->operand);
			}
			return result;
		} break;
		case GDScriptParser::Node::CALL: {
			const GDScriptParser::CallNode *call = static_cast<const GDScriptParser::CallNode *>(p_expression);
			GDScriptDataType type = _gdtype_from_datatype(call->get_datatype(), codegen.script);
			GDScriptCodeGenerator::Address result;
			if (p_root) {
				result = GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::NIL);
			} else {
				result = codegen.add_temporary(type);
			}
			Vector<GDScriptCodeGenerator::Address> arguments;
			for (int i = 0; i < call->arguments.size(); i++) {
				GDScriptCodeGenerator::Address arg = _parse_expression(codegen, r_error, call->arguments[i]);
				if (r_error) {