Feature: Ability to switch between multiple accounts (#881)

* Feature: Ability to switch between multiple accounts

* Fix rubocop

* Fix assigned inboxes

* fix auth json

* Add account switcher in UI

* fix ordering on administrate

* Add switch accounts to sidebar

* add account id

* Fix schema.rb timestamp

* Revert "add account id"

This reverts commit 27570f50ef584cb9a5f69454f43f630b318c8807.

* Add a check for account

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

app/javascript/dashboard/components/widgets/conversation/EmptyState.vue

@@ -9,7 +9,7 @@
       <!-- No inboxes attached -->
       <div v-if="!inboxesList.length">
         <img src="~dashboard/assets/images/inboxes.svg" alt="No Inboxes" />
-        <span v-if="isAdmin()">
+        <span v-if="isAdmin">
           {{ $t('CONVERSATION.NO_INBOX_1') }}
           <br />
           <router-link :to="newInboxURL">
@@ -17,7 +17,7 @@
           </router-link>
           {{ $t('CONVERSATION.NO_INBOX_2') }}
         </span>
-        <span v-if="!isAdmin()">
+        <span v-if="!isAdmin">
           {{ $t('CONVERSATION.NO_INBOX_AGENT') }}
         </span>
       </div>