fix: Ensure digits in media player time readout have a consistent width (#35038)

app/javascript/styles/mastodon/components.scss

@@ -7415,6 +7415,9 @@ a.status-card {
     overflow: hidden;
     text-overflow: ellipsis;
     margin: 0 5px;
+
+    // Ensure digits maintain a consistent width
+    font-variant-numeric: tabular-nums;
   }
 
   &__time-sep,