autocomplete: md-not-found template is no longer styled properly

[Splaktar]

Bug

CodePen and steps to reproduce the issue:

CodePen Demo which demonstrates the issue:

https://codepen.io/Splaktar/pen/xxboGvG?editors=1010

Detailed Reproduction Steps:

1. type "dog" into the autocomplete

What is the expected behavior?

The md-not-found template contents are styled properly (like in 1.1.20).

What is the current behavior?

The md-not-found template contents are too close to the top and various other styles are not applied.

What is the use-case or motivation for changing an existing behavior?

Regression

Which versions of AngularJS, Material, OS, and browsers are affected?

• AngularJS: 1.7.8
• AngularJS Material: 1.1.21
• OS: macOS
• Browsers: Chrome 79

Is there anything else we should know? Stack Traces, Screenshots, etc.