prefix message flex

packages/rocketchat-ui-flextab/client/tabs/messageSearch.js

@@ -46,7 +46,7 @@ Template.messageSearch.helpers({
 	},
 
 	message() {
-		return _.extend(this, { customClass: 'search' });
+		return _.extend(this, { customClass: 'search', prefix: 'search'});
 	}
 });
 

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

@@ -1,5 +1,5 @@
 <template name="message">
-	<li id="{{_id}}" class="message background-transparent-dark-hover {{isSequential}} {{system}} {{t}} {{own}} {{isTemp}} {{chatops}} {{customClass}}" data-username="{{u.username}}" data-groupable="{{isGroupable}}" data-date="{{date}}" data-timestamp="{{timestamp}}">
+	<li id="{{prefix}}{{_id}}" class="message background-transparent-dark-hover {{isSequential}} {{system}} {{t}} {{own}} {{isTemp}} {{chatops}} {{customClass}}" data-username="{{u.username}}" data-groupable="{{isGroupable}}" data-date="{{date}}" data-timestamp="{{timestamp}}">
 		{{#if avatar}}
 			{{#if avatarFromUsername}}
 				<button class="thumb user-card-message" data-username="{{u.username}}" tabindex="1">{{> avatar username=avatarFromUsername}}</button>