Feature: Added slider to control item size (phase 1)

[yaira2]

Resolved / Related Issues

• [x] 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. For #10492...

Validation How did you test these changes?

• [x] Did you build the app and test your changes?
• [ ] Did you check for accessibility? You can use Accessibility Insights for this.
• [x] Did you remove any strings from the en-us resource file?
  • [x] Did you search the solution to see if the string is still being used?
• [x] Did you implement any design changes to an existing feature?
  • [x] Was this change approved?
• [x] Are there any other steps that were used to validate these changes?
  1. Confirm view type can still be overridden in folders (unless syncing is enabled)
  2. Confirm the view size syncs between all folders (even when syncing is turned off)
  3. Confirm each view type remembers it's size
  4. Confirm keyboard shortcuts to change view & view size are working
  5. Confirm size slider is working

Screenshots (optional) Add screenshots here.

[Aghyads]

Sorry i'm new hear. So this is still in progress, not yet done to use, right?

[yaira2]

@Aghyads this pull request adds the requested feature, there is still work to be done but the basic implementation is almost complete.

[hishitetsu]

I tried to test, but #14785 prevents me from testing properly.