Use the remote pack listing endpoint

src/api/emoji_packs.js

@@ -48,6 +48,16 @@ export async function listPacks(host) {
   })
 }
 
+export async function listRemotePacks(host, token, instance) {
+  return await request({
+    baseURL: baseName(host),
+    url: `/api/pleroma/emoji/packs/list_from`,
+    method: 'post',
+    headers: authHeaders(token),
+    data: { instance_address: instance }
+  })
+}
+
 export async function downloadFrom(host, instance_address, pack_name, as, token) {
   if (as.trim() === '') {
     as = null

src/store/modules/emoji_packs.js

-import { listPacks,
+import {
+  listPacks,
+  listRemotePacks,
   downloadFrom,
   reloadEmoji,
   createPack,
@@ -47,7 +49,8 @@ const packs = {
       commit('SET_LOCAL_PACKS', data)
     },
     async SetRemoteEmojiPacks({ commit, getters, state }, { remoteInstance }) {
-      const { data } = await listPacks(remoteInstance)
+      const { data } = await listRemotePacks(getters.authHost, getters.token, remoteInstance)
+
       commit('SET_REMOTE_PACKS', data)
     },
     async DownloadFrom({ commit, getters, state }, { instanceAddress, packName, as }) {