fix: standardize relative timestamping (#3612)

* fix(frontend): relative timestamps are incorrectly rounded.

Closes: #1371

* fix(all): remove legacy fromNow for proper relative timestamp creation

Closes: #1395

apps/app-frontend/src/components/ui/friends/FriendsList.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { Avatar, ButtonStyled, OverflowMenu } from '@modrinth/ui'
+import { Avatar, ButtonStyled, OverflowMenu, useRelativeTime } from '@modrinth/ui'
 import {
   UserPlusIcon,
   MoreVerticalIcon,
@@ -18,6 +18,8 @@ import type { Dayjs } from 'dayjs'
 import dayjs from 'dayjs'
 import ModalWrapper from '@/components/ui/modal/ModalWrapper.vue'
 
+const formatRelativeTime = useRelativeTime()
+
 const props = defineProps<{
   credentials: unknown | null
   signIn: () => void
@@ -205,7 +207,9 @@ onUnmounted(() => {
                 You sent <span class="font-bold">{{ friend.username }}</span> a friend request
               </template>
             </p>
-            <p class="m-0 text-sm text-secondary">{{ friend.created.fromNow() }}</p>
+            <p class="m-0 text-sm text-secondary">
+              {{ formatRelativeTime(friend.created.toISOString()) }}
+            </p>
           </div>
           <div class="flex gap-2">
             <template v-if="friend.id === userCredentials.user_id">