### Godot version

4.0.2.stable.official [7a0977ce2]

### System information

Windows 10

### Issue description

LineEdit node with enabled "expand_to_text_length" option and "minimum_character_width = 0" and cleared margins in style overrides still has some empty space inside
![node](https://github.com/godotengine/godot/assets/23380802/86c79678-8422-4a98-8406-602edd7dc48b)
![node settings](https://github.com/godotengine/godot/assets/23380802/11d04d71-bbf1-4c16-8155-fe39b5bbd66b)
![style overrides](https://github.com/godotengine/godot/assets/23380802/6b3c3925-b4bd-455b-aac1-ddeb54a4d796)


### Steps to reproduce

1. Add LineEdit node
2. Set expand_to_text_length = true
3. Set minimum_character_width in theme overrides = 0
4. Set normal to StyleBoxEmpty


### Minimal reproduction project

[LineEdit can't be zero sized.zip](https://github.com/godotengine/godot/files/11566017/LineEdit.can.t.be.zero.sized.zip)

}
			queue_redraw();
		} else {
			if (selection.enabled && !pass && b->get_button_index() == MouseButton::LEFT && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
				DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
			}
			if (!text.is_empty() && is_editable() && clear_button_enabled) {
				bool press_attempt = clear_button_status.press_attempt;
				clear_button_status.press_attempt = false;
				if (press_attempt && clear_button_status.pressing_inside && _is_over_clear_button(b->get_position())) {
					clear();
					return;
				}
			}
			if ((!selection.creating) && (!selection.double_click)) {
				deselect();
			}
			selection.creating = false;
			selection.double_click = false;
			if (!drag_action) {
				selection.drag_attempt = false;
			}
			if (pending_select_all_on_focus) {
				select_all();
				pending_select_all_on_focus = false;
			}
			show_virtual_keyboard();
		}
		queue_redraw();
		return;