Is your feature request related to a problem? Please describe.

This line checks if the ThemeData.brightness is equal to Brightness.light:

https://github.com/flutter/samples/blob/b1f8fa57b57b9eaa6b9bcb62179ab3cd5e0f97b7/material_3_demo/lib/src/buttons.dart#L21

This results in the following inline value:

Describe the solution you'd like

In the source code, it's very clear the value of the Brightness.light enum value. The Brightness.light = Brightness (Brightness.light) inline value is noisy verbosity that isn't helpful. I would consider not adding an inline value for raw enum values like this.