Fix(web): Fix inverted colors in Spinner demo #DS-1545

Author: curdaj

packages/web/src/scss/components/Spinner/README.md

@@ -13,10 +13,7 @@ It is just a combination of the Icon component and the utility classes.
 <svg width="24" height="24" class="text-secondary animation-spin-clockwise">
   <use xlink:href="/icons/svg/sprite.svg#spinner" />
 </svg>
-<svg width="24" height="24" class="text-primary-inverted animation-spin-clockwise">
-  <use xlink:href="/icons/svg/sprite.svg#spinner" />
-</svg>
-<svg width="24" height="24" class="text-secondary-inverted animation-spin-clockwise">
+<svg width="24" height="24" class="text-tertiary animation-spin-clockwise">
   <use xlink:href="/icons/svg/sprite.svg#spinner" />
 </svg>
 ```

packages/web/src/scss/components/Spinner/index.html

@@ -38,17 +38,9 @@ <h2 class="docs-Heading">Colors</h2>
         <use xlink:href="/assets/icons/svg/sprite.svg#spinner"/>
       </svg>
 
-      <div class="docs-Box">
-        <svg width="24" height="24" class="text-primary-inverted animation-spin-clockwise">
-          <use xlink:href="/assets/icons/svg/sprite.svg#spinner"/>
-        </svg>
-      </div>
-
-      <div class="docs-Box">
-        <svg width="24" height="24" class="text-secondary-inverted animation-spin-clockwise">
-          <use xlink:href="/assets/icons/svg/sprite.svg#spinner"/>
-        </svg>
-      </div>
+      <svg width="24" height="24" class="text-tertiary animation-spin-clockwise">
+        <use xlink:href="/assets/icons/svg/sprite.svg#spinner"/>
+      </svg>
 
     </div>