### Godot version

Godot 4.0.1.stable

### System information

Windows 10, Forward+

### Issue description

Example code:

```gdscript
@warning_ignore("shadowed_global_identifier")
static func print_debug(msg: String):
```

the warning is ignored by pressing [ignore] in the warnings panel.

pressing it multiple times results in:
```gdscript
@warning_ignore("shadowed_global_identifier", "shadowed_global_identifier")
```


### Steps to reproduce

Shadowing a global function with a method of script:

```gdscript
@warning_ignore("shadowed_global_identifier")
static func print_debug(msg: String):
```


### Minimal reproduction project

```gdscript
@warning_ignore("shadowed_global_identifier")
static func print_debug(msg: String):
    pass
```
bool is_valid = false;
		Variant value = base_value.get(index_value, &is_valid);
		if (is_valid) {
			is_reduced = true;
			return value;
		} else {
			return Variant();
		}
	}
}
Array GDScriptAnalyzer::make_array_from_element_datatype(const GDScriptParser::DataType &p_element_datatype, const GDScriptParser::Node *p_source_node) {
	Array array;
	if (p_element_datatype.builtin_type == Variant::OBJECT) {
		Ref<Script> script_type = p_element_datatype.script_type;
		if (p_element_datatype.kind == GDScriptParser::DataType::CLASS && script_type.is_null()) {
			Error err = OK;
			Ref<GDScript> scr = GDScriptCache::get_shallow_script(p_element_datatype.script_path, err);
			if (err) {
				push_error(vformat(R"(Error while getting cache for script "%s".)", p_element_datatype.script_path), p_source_node);
				return array;
			}
			script_type.reference_ptr(scr->find_class(p_element_datatype.class_type->fqcn));
		}
		array.set_typed(p_element_datatype.builtin_type, p_element_datatype.native_type, script_type);
	} else {
		array.set_typed(p_element_datatype.builtin_type, StringName(), Variant());
	}
	return array;
}
Variant GDScriptAnalyzer::make_variable_default_value(GDScriptParser::VariableNode *p_variable) {