PLT-6215 Major post list refactor (#6501)

* Major post list refactor

* Fix post and thread deletion

* Fix preferences not selecting correctly

* Fix military time displaying

* Fix UP key for editing posts

* Fix ESLint error

* Various fixes and updates per feedback

* Fix for permalink view

* Revert to old scrolling method and various fixes

* Add floating timestamp, new message indicator, scroll arrows

* Update post loading for focus mode and add visibility limit

* Fix pinning posts and a react warning

* Add loading UI updates from Asaad

* Fix refreshing loop

* Temporarily bump post visibility limit

* Update infinite scrolling

* Remove infinite scrolling

webapp/components/needs_team/needs_team.jsx

@@ -13,7 +13,6 @@ import UserStore from 'stores/user_store.jsx';
 import PreferenceStore from 'stores/preference_store.jsx';
 import ChannelStore from 'stores/channel_store.jsx';
 import PostStore from 'stores/post_store.jsx';
-import * as GlobalActions from 'actions/global_actions.jsx';
 import {startPeriodicStatusUpdates, stopPeriodicStatusUpdates} from 'actions/status_actions.jsx';
 import {startPeriodicSync, stopPeriodicSync} from 'actions/websocket_actions.jsx';
 import {loadProfilesForSidebar} from 'actions/user_actions.jsx';
@@ -23,13 +22,16 @@ const TutorialSteps = Constants.TutorialSteps;
 const Preferences = Constants.Preferences;
 
 import AnnouncementBar from 'components/announcement_bar';
-import SidebarRight from 'components/sidebar_right.jsx';
+import SidebarRight from 'components/sidebar_right';
 import SidebarRightMenu from 'components/sidebar_right_menu.jsx';
 import Navbar from 'components/navbar.jsx';
 import WebrtcSidebar from 'components/webrtc/components/webrtc_sidebar.jsx';
 
 import WebrtcNotification from 'components/webrtc/components/webrtc_notification.jsx';
 
+import store from 'stores/redux_store.jsx';
+import {getPost} from 'mattermost-redux/selectors/entities/posts';
+
 // Modals
 import GetPostLinkModal from 'components/get_post_link_modal.jsx';
 import GetPublicLinkModal from 'components/get_public_link_modal.jsx';
@@ -111,9 +113,6 @@ export default class NeedsTeam extends React.Component {
         TeamStore.addChangeListener(this.onTeamChanged);
         PreferenceStore.addChangeListener(this.onPreferencesChanged);
 
-        // Emit view action
-        GlobalActions.viewLoggedIn();
-
         startPeriodicStatusUpdates();
         startPeriodicSync();
 
@@ -201,7 +200,7 @@ export default class NeedsTeam extends React.Component {
         if (channel == null) {
             // the permalink view is not really tied to a particular channel but still needs it
             const postId = PostStore.getFocusedPostId();
-            const post = PostStore.getEarliestPostFromPage(postId);
+            const post = getPost(store.getState(), postId);
 
             // the post take some time before being available on page load
             if (post != null) {