refactor: harmonize switch-type groups

src/components/generic/RadioGroup.vue

 <template>
-  <div class="tw-flex tw-items-center" role="radiogroup">
+  <div
+    class="tw-flex tw-items-center tw-border tw-border-solid tw-border-gray-200 tw-rounded"
+    role="radiogroup"
+  >
     <template v-for="(choice, index) in normalizedChoices" :key="choice.value">
       <span v-if="index !== 0" class="tw-self-stretch tw-w-px tw-bg-black/10" />
       <button

src/components/shows/ShowSelector.vue

@@ -48,7 +48,9 @@
     <template #filter>
       <div v-if="hasShows">
         <p class="mb-2 tw-text-sm tw-font-bold">{{ t('showSelector.showState.label') }}</p>
-        <div class="tw-flex tw-text-sm">
+        <div
+          class="tw-flex tw-text-sm tw-border tw-border-solid tw-border-gray-200 tw-w-min tw-rounded"
+        >
           <SwitchButton
             :model-value="filterActive === true"
             class="tw-whitespace-nowrap"