issue #1471: Sass deprecation warnings with latest Dart Sass (if() fu…

[oramirez1]

…nction usage) #1471

• packages/core/src/_box-shadows.scss
  • Fix Deprecation warning for $pseudo-selector
  • Fix Depreaction warning for $prefix
  • Fix Depreaction warning for $start-shadow
  • Fix Deprecation warning for $end-shadow
• packages/core/src/_utils.scss
  • Fix Deprecation warning for $options
  • Fix Depreaction warning for $is-list validation
  • Fix Depreaction warning for $choices
  • Fix Deprecation warning for $position
  • Fix Deprecation warning for $selector
• packages/core/src/app-bar/_app-bar.scss
  • Fix Deprecation warning for $dark-theme-surface-background-color
• packages/core/src/autocomplete/_autocomplete.scss
  • Fix Deprecation warning for $calc-clear-button
  • Fix Deprecation warning for $calc-dropdown-button
  • Fix Deprecation warning for $calc-circular-progress
  • Fix Deprecation warning for $prefix
• packages/core/src/avatar/_avatar.scss
  • Fix Deprecation warning for $class-name
• packages/core/src/button/_button.scss
  • Fix Deprecation warning for $pressed-elevation
• packages/core/src/card/_card.scss
  • Fix Deprecation warning for $dark-theme-background-color
  • Fix Deprecation warning for padding
• packages/core/src/chip/_chip.scss
  • Fix Deprecation warning for $solid-dark-background-color
  • Fix Deprecation warning for $outline-dark-background-color
• packages/core/src/dialog/_dialog.scss
  • Fix Deprecation warning for $background-color
  • Fix Deprecation warning for $color
• packages/core/src/divider/_divider.scss
  • Fix Deprecation warning for $property
  • Fix Deprecation warning for $var-name
• packages/core/src/form/_input-toggle.scss
  • Fix Deprecation warning for $focus-selector
• packages/core/src/form/_slider.scss
  • Fix Deprecation warning for $track-color
• packages/core/src/form/_switch.scss
  • Fix Deprecation warning for $track-dark-background-color
  • Fix Deprecation warning for $active-selector
• packages/core/src/form/_text-field.scss
  • Fix Deprecation warning for $addon-offset
• packages/core/src/interaction/_interaction.scss
  • Fix Deprecation warning for $focus-selector
  • Fix Deprecation warning for $transition-property
• packages/core/src/snackbar/_snackbar.scss
  • Fix Deprecation warning for $dark-theme-background-color
• packages/core/src/tabs/_tabs.scss
  • Fix Deprecation warning for $button-selector
• packages/core/src/theme/_a11y.scss
  • Fix Deprecation warning for $light-color/$dark-color validation
• packages/core/src/theme/_theme.scss
  • Fix Deprecation warning for $dark-theme-surface-color
  • Fix Deprecation warning for $theme-color-var-fallback
  • Fix Deprecation warning for $fallback
  • Fix Deprecation warning for $color-suffixes
  • Fix Deprecation warning for $color-name
• packages/core/src/window-splitter/_window-splitter.scss
  • Fix Deprecation warning for $pseudo-selectors
  • Fix Deprecation warning for $fallback
  • Fix Deprecation warning for $inactive-fallback

[vercel]

@oramirez1 is attempting to deploy a commit to the Mikkel Laursen's projects Team on Vercel.

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[mlaursen]

Thank you for this MR!

I actually ended up fixing this today as well, but I'll merge this into my changes so you can get the contribution as well. I have a few test scripts to verify the CSS is still generated correctly after these changes.