Merge pull request #7157 from RocketChat/fix-reactions

[FIX] Fix all reactions having the same username

packages/rocketchat-ui-message/client/message.js

@@ -206,7 +206,7 @@ Template.message.helpers({
 		return Object.keys(this.reactions||{}).map(emoji => {
 			const reaction = this.reactions[emoji];
 			const total = reaction.usernames.length;
-			let usernames = reaction.usernames.slice(0, 15).map(username => username === userUsername ? t('You').toLowerCase() : `@${ userUsername }`).join(', ');
+			let usernames = reaction.usernames.slice(0, 15).map(username => username === userUsername ? t('You').toLowerCase() : `@${ username }`).join(', ');
 			if (total > 15) {
 				usernames = `${ usernames } ${ t('And_more', {
 					length: total - 15