Support Inter on custom themes (#8399)

* include Inter natively on legacy & custom themes

* fix theming of beta button

* fix beta pill skinning properly

* switch back to accent-alt for beta pills

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

res/css/views/beta/_BetaCard.scss

@@ -119,7 +119,7 @@ limitations under the License.
     font-size: 12px;
     font-weight: $font-semi-bold;
     line-height: 15px;
-    color: #FFFFFF;
+    color: $button-primary-fg-color;
     display: inline-block;
     vertical-align: text-bottom;
     word-break: keep-all; // avoid multiple lines on CJK language

res/themes/legacy-light/css/_fonts.scss

@@ -12,6 +12,11 @@
  * and it's better to rely on the browser's built-in obliquing behaviour.
  */
 
+// Grab the other fonts from the current theme, so we can override to Inter
+// in custom fonts if needed.
+@import "../../light/css/_fonts.scss";
+
+// Nunito as the default, for old time's sake on legacy themes.
 /* the 'src' links are relative to the bundle.css, which is in a subdirectory.
  */
 @font-face {
@@ -32,53 +37,3 @@
     font-weight: 700;
     src: url('$(res)/fonts/Nunito/Nunito-Bold.ttf') format('truetype');
 }
-
-/* latin-ext */
-@font-face {
-    font-family: 'Inconsolata';
-    font-style: normal;
-    font-weight: 400;
-    src: local('Inconsolata Regular'), local('Inconsolata-Regular'), url('$(res)/fonts/Inconsolata/QldKNThLqRwH-OJ1UHjlKGlX5qhExfHwNJU.woff2') format('woff2');
-    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
-}
-/* latin */
-@font-face {
-    font-family: 'Inconsolata';
-    font-style: normal;
-    font-weight: 400;
-    font-display: swap;
-    src: local('Inconsolata Regular'), local('Inconsolata-Regular'), url('$(res)/fonts/Inconsolata/QldKNThLqRwH-OJ1UHjlKGlZ5qhExfHw.woff2') format('woff2');
-    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
-}
-/* latin-ext */
-@font-face {
-    font-family: 'Inconsolata';
-    font-style: normal;
-    font-weight: 700;
-    font-display: swap;
-    src: local('Inconsolata Bold'), local('Inconsolata-Bold'), url('$(res)/fonts/Inconsolata/QldXNThLqRwH-OJ1UHjlKGHiw71n5_zaDpwm80E.woff2') format('woff2');
-    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
-}
-/* latin */
-@font-face {
-    font-family: 'Inconsolata';
-    font-style: normal;
-    font-weight: 700;
-    font-display: swap;
-    src: local('Inconsolata Bold'), local('Inconsolata-Bold'), url('$(res)/fonts/Inconsolata/QldXNThLqRwH-OJ1UHjlKGHiw71p5_zaDpwm.woff2') format('woff2');
-    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
-}
-
-/* a COLR/CPAL version of Twemoji used for consistent cross-browser emoji
- * taken from https://github.com/mozilla/twemoji-colr
- * using the fix from https://github.com/mozilla/twemoji-colr/issues/50 to
- * work on macOS
- */
-/*
-// except we now load it dynamically via FontManager to handle browsers
-// which can't render COLR/CPAL still
-@font-face {
-    font-family: "Twemoji Mozilla";
-    src: url('$(res)/fonts/Twemoji_Mozilla/TwemojiMozilla.woff2') format('woff2');
-}
-*/