Fix Modal text color in dark-mode docs

Author: adamkudrna

src/components/Modal/Modal.module.scss

@@ -25,6 +25,7 @@
         padding: 0;
         overflow-y: auto;
         overscroll-behavior: contain;
+        color: inherit;
         border-width: 0;
         border-radius: settings.$border-radius;
         background: theme.$background;