Update notification_actions.jsx (#26639)

Update notification_actions.jsx

Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/channels/src/actions/notification_actions.jsx

@@ -2,7 +2,6 @@
 // See LICENSE.txt for license information.
 
 import {logError} from 'mattermost-redux/actions/errors';
-import {getProfilesByIds} from 'mattermost-redux/actions/users';
 import {getCurrentChannel, getMyChannelMember, makeGetChannel} from 'mattermost-redux/selectors/entities/channels';
 import {getConfig} from 'mattermost-redux/selectors/entities/general';
 import {
@@ -64,14 +63,6 @@ export function sendDesktopNotification(post, msgProps) {
             return {status: 'not_sent', reason: 'system_message'};
         }
 
-        let userFromPost = getUser(state, post.user_id);
-        if (!userFromPost) {
-            const missingProfileResponse = await dispatch(getProfilesByIds([post.user_id]));
-            if (missingProfileResponse.data && missingProfileResponse.data.length) {
-                userFromPost = missingProfileResponse.data[0];
-            }
-        }
-
         let mentions = [];
         if (msgProps.mentions) {
             mentions = JSON.parse(msgProps.mentions);
@@ -199,11 +190,15 @@ export function sendDesktopNotification(post, msgProps) {
         }
 
         const config = getConfig(state);
+        const userFromPost = getUser(state, post.user_id);
+
         let username = '';
         if (post.props.override_username && config.EnablePostUsernameOverride === 'true') {
             username = post.props.override_username;
         } else if (userFromPost) {
             username = displayUsername(userFromPost, getTeammateNameDisplaySetting(state), false);
+        } else if (msgProps.sender_name) {
+            username = msgProps.sender_name;
         } else {
             username = Utils.localizeMessage('channel_loader.someone', 'Someone');
         }