### Godot version

4.0.3

### System information

Win7

### Issue description

#if and #else highlighted with the color same as if and else shader statement:

![image](https://github.com/godotengine/godot/assets/28286958/c2d58151-d6d2-4305-b4da-36e76e316caf)


### Steps to reproduce

1. Create shader
2. Add #if and #else

### Minimal reproduction project

N/A
if (p_idx < 4) { 
		_menu_option(bookmarks_menu->get_item_id(p_idx));
	} else {
		shader_editor->goto_line(bookmarks_menu->get_item_metadata(p_idx));
	}
}
void TextShaderEditor::_make_context_menu(bool p_selection, Vector2 p_position) {
	context_menu->clear();
	if (p_selection) {
		context_menu->add_shortcut(ED_GET_SHORTCUT("ui_cut"), EDIT_CUT);
		context_menu->add_shortcut(ED_GET_SHORTCUT("ui_copy"), EDIT_COPY);
	}
	context_menu->add_shortcut(ED_GET_SHORTCUT("ui_paste"), EDIT_PASTE);
	context_menu->add_separator();
	context_menu->add_shortcut(ED_GET_SHORTCUT("ui_text_select_all"), EDIT_SELECT_ALL);
	context_menu->add_shortcut(ED_GET_SHORTCUT("ui_undo"), EDIT_UNDO);
	context_menu->add_shortcut(ED_GET_SHORTCUT("ui_redo"), EDIT_REDO);
	context_menu->add_separator();
	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/indent"), EDIT_INDENT);
	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/unindent"), EDIT_UNINDENT);
	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_comment"), EDIT_TOGGLE_COMMENT);
	context_menu->add_shortcut(ED_GET_SHORTCUT("script_text_editor/toggle_bookmark"), BOOKMARK_TOGGLE);
	context_menu->set_position(get_screen_position() + p_position);
	context_menu->reset_size();
	context_menu->popup();
}
TextShaderEditor::TextShaderEditor() {