used single quotes for strings

changes to single quotes

packages/rocketchat-emoji/emojiParser.js

@@ -10,7 +10,7 @@ RocketChat.callbacks.add('renderMessage', (message) => {
 
 	if (_.trim(message.html)) {
 		//' to apostrophe (') for emojis such as :')
-		message.html = message.html.replace(/'/g, "'");
+		message.html = message.html.replace(/'/g, '\'');
 
 		Object.keys(RocketChat.emoji.packages).forEach((emojiPackage) => {
 			message.html = RocketChat.emoji.packages[emojiPackage].render(message.html);
@@ -41,7 +41,7 @@ RocketChat.callbacks.add('renderMessage', (message) => {
 		}
 
 		//apostrophe (') back to '
-		message.html = message.html.replace(/\'/g, "'");
+		message.html = message.html.replace(/\'/g, ''');
 	}
 
 	return message;