Force dark text on white chips

aleksis/apps/lesrooster/frontend/components/timetable_management/LessonRatioChip.vue

@@ -13,7 +13,7 @@ export default defineComponent({
 </script>
 
 <template>
-  <v-chip class="text-body-1 font-weight-500 px-4 mb-1" small color="white">
+  <v-chip class="text-body-1 font-weight-500 px-4 mb-1" small color="white" light>
     <v-icon
       v-if="course.lessonsUsed === course.lessonQuota"
       color="green"