### Godot version

4.0 stable

### System information

Manjaro Linux, kernel 6.1.1-1-MANJARO, AMD Ryzen 5 3600, AMD RX 580

### Issue description

The `wrap_mode` property of the `TextEdit` node doesn't seem to really do anything. Setting it to `LINE_WRAPPING_BOUNDARY` simply means that there won't be an horizontal scrollbar if the text overshoots the boundary, instead of actually forcing the text to the next line so that it stays visible.

### Steps to reproduce

Create a TextEdit node and set its `wrap_mode` property to `LINE_WRAPPING_BOUNDARY`

### Minimal reproduction project

[WrapBugDemo.zip](https://github.com/godotengine/godot/files/10875969/WrapBugDemo.zip)

case ScriptLanguage::CODE_COMPLETION_KIND_VARIABLE:
			tex = get_theme_icon(SNAME("Variant"), SNAME("EditorIcons"));
			break;
		case ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT:
			tex = get_theme_icon(SNAME("MemberConstant"), SNAME("EditorIcons"));
			break;
		case ScriptLanguage::CODE_COMPLETION_KIND_MEMBER:
			tex = get_theme_icon(SNAME("MemberProperty"), SNAME("EditorIcons"));
			break;
		case ScriptLanguage::CODE_COMPLETION_KIND_SIGNAL:
			tex = get_theme_icon(SNAME("MemberSignal"), SNAME("EditorIcons"));
			break;
		case ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION:
			tex = get_theme_icon(SNAME("MemberMethod"), SNAME("EditorIcons"));
			break;
		case ScriptLanguage::CODE_COMPLETION_KIND_PLAIN_TEXT:
			tex = get_theme_icon(SNAME("BoxMesh"), SNAME("EditorIcons"));
			break;
		default:
			tex = get_theme_icon(SNAME("String"), SNAME("EditorIcons"));
			break;
	}
	return tex;
}
void CodeTextEditor::_font_resize_timeout() {
	if (_add_font_size(font_resize_val)) {
		font_resize_val = 0;
	}
}
bool CodeTextEditor::_add_font_size(int p_delta) {