![](https://media.giphy.com/media/SX71qs3TDxVkvbLJ4o/giphy-downsized.gif)

Fixes https://github.com/flutter/devtools/issues/6871

Add the width and height to the inspector overlay. 1 decimal precision is used since that matches the way Devtools displays the values.

## Examples
<img width="442" alt="Screenshot 2023-12-28 at 2 39 49 PM" src="https://github.com/flutter/flutter/assets/1386322/2de40092-de15-4ada-a954-e911e6bef217">

<img width="645" alt="Screenshot 2023-12-28 at 2 39 42 PM" src="https://github.com/flutter/flutter/assets/1386322/8f53dad5-1aba-43d9-9419-ca93cd894624">
<img width="149" alt="Screenshot 2023-12-28 at 2 39 37 PM" src="https://github.com/flutter/flutter/assets/1386322/bbed74b7-c962-4c20-80d8-48e5eaa14de6">