fix(theme): fix social links spacing in dropdown (#5370)

src/client/theme-default/components/VPSocialLinks.vue

@@ -12,7 +12,7 @@ withDefaults(defineProps<{
 
 <template>
   <ul class="VPSocialLinks">
-    <li v-for="{ link, icon, ariaLabel, target } in links" :key="link" class="item">
+    <li v-for="{ link, icon, ariaLabel, target } in links" :key="link">
       <VPSocialLink
         :icon
         :link
@@ -32,7 +32,7 @@ withDefaults(defineProps<{
 
 /* Reset styles from vp-doc if used in markdown */
 .vp-doc .VPSocialLinks,
-.vp-doc .VPSocialLinks .item {
+.vp-doc .VPSocialLinks > li {
   list-style: none;
   margin: 0;
   padding: 0;