allow users to disable third party notice

frontend/src/components/Sidebar.svelte

@@ -1,6 +1,7 @@
 <script>
     import { quadInOut } from "svelte/easing";
     import { maybeFly, maybeFlyIf } from "../animations";
+    import { getItem } from "../storage";
     import { channels, gatewayStatus, overlayStore, selectedChannel, showSidebar, smallViewport, userInfoStore, unreadStore, OverlayType, thirdPartyServicePresenceStore } from "../stores";
     import ThirdPartyNotice from "./overlays/ThirdPartyNotice.svelte";
     import UserTopBar from "./UserTopBar.svelte";
@@ -44,7 +45,7 @@
             <span class="sidebar-button-text">Settings</span>
         </button>
     </div>
-    {#if $thirdPartyServicePresenceStore}
+    {#if $thirdPartyServicePresenceStore && getItem("ui:showThirdPartyNotice")}
         <div class="top-bar darker">
             <span class="material-icons-outlined">cloud</span>
             <span class="text-small top-bar-heading">some third party services may have additional terms</span>

frontend/src/storage.js

@@ -11,6 +11,7 @@ const defaults = {
     "ui:stateful:presistSelectedChannel": true,
     "ui:showSidebarToggle": false,
     "ui:alwaysUseMobileChatBar": false,
+    "ui:showThirdPartyNotice": true,
     "ui:online:processRemoteTypingEvents": true,
     "ui:online:processRemotePresenceEvents": true,
     "ui:online:loadMessageHistory": true,