fix typography

Author: mmalerba

src/material/core/theming/_m2-inspection.scss

@@ -3,6 +3,7 @@
 @use 'sass:meta';
 @use './theming';
 @use '../typography/typography-utils';
+@use '../typography/typography';
 
 $_internals: _mat-theming-internals-do-not-access;
 
@@ -85,7 +86,7 @@ $_typography-properties: (font, font-family, line-height, font-size, letter-spac
   @if not theme-has($theme, typography) {
     @error 'Typography information is not available on this theme.';
   }
-  $typography: theming.get-typography-config($theme);
+  $typography: typography.private-typography-to-2018-config(theming.get-typography-config($theme));
   @if $property == font {
     $font-weight: typography-utils.font-weight($typography, $typescale);
     $font-size: typography-utils.font-size($typography, $typescale);