Feature: Reflect current layout in the Toolbar

[ferrariofilippo]

Resolved / Related Issues

• Were these changes approved in an issue or discussion with the project maintainers? In order to prevent extra work, feature requests and changes to the codebase must be approved before the pull request will be reviewed. This prevents extra work for the contributors and maintainers.
  Closes Feature: Update layout button icon as layout changes #12894

Validation
How did you test these changes?

• Did you build the app and test your changes?
• Did you check for accessibility? You can use Accessibility Insights for this.
• Did you remove any strings from the en-us resource file?
  • Did you search the solution to see if the string is still being used?
• Did you implement any design changes to an existing feature?
  • Was this change approved?
• Are there any other steps that were used to validate these changes?
  1. Open app and navigate to a folder
  2. Change layout

Screenshots (optional)

[yaira2]

@mdtauk would it look better if we used a single icon to represent whenever a grid layout is selected?

[mdtauk]

The majority of layout options are some kind of grid.

[ferrariofilippo]

What should we do then?
Also, can we sort layouts as below:

I think it would be better to have the three grid layouts in the same column

[yaira2]

Also, can we sort layouts as below:

Do you want me to push a commit for this?

[ferrariofilippo]

Do you want me to push a commit for this?

I can do it

[yaira2]

LGTM