apply theme only after sync config is done

src/modules/users.js

@@ -702,13 +702,14 @@ const users = {
               user.domainMutes = []
               commit('setCurrentUser', user)
 
-              useSyncConfigStore().initSyncConfig(user)
+              useSyncConfigStore().initSyncConfig(user).then(() => {
-              useUserHighlightStore().initUserHighlight(user)
                 useInterfaceStore()
                   .applyTheme()
                   .catch((e) => {
                     console.error('Error setting theme', e)
                   })
+              })
+              useUserHighlightStore().initUserHighlight(user)
               commit('addNewUsers', [user])
 
               useEmojiStore().fetchEmoji()