[FIX] "Click to Join" button is not working if there are no muted users in the room (#22871)

* Fix room.muted undefined error

* Remove unnecessary includes function calls

Co-authored-by: Tasso Evangelista <tasso.evangelista@rocket.chat>

app/authorization/server/functions/canSendMessage.js

@@ -33,7 +33,7 @@ export const validateRoomMessagePermissionsAsync = async (room, { uid, username,
 		}
 	}
 
-	if ((room.muted || []).includes(username)) {
+	if (room?.muted?.includes(username)) {
 		throw new Error('You_have_been_muted');
 	}
 };

app/lib/server/lib/processDirectEmail.js

@@ -87,7 +87,7 @@ export const processDirectEmail = function(email) {
 			return false;
 		}
 
-		if ((room.muted || []).includes(user.username)) {
+		if (room?.muted?.includes(user.username)) {
 			// user is muted
 			return false;
 		}

app/videobridge/client/actionLink.js

@@ -15,7 +15,7 @@ actionLinks.register('joinJitsiCall', function(message, params, instance) {
 		const currentTime = new Date().getTime();
 		const jitsiTimeout = new Date((room && room.jitsiTimeout) || currentTime).getTime();
 
-		if (room && room.muted.includes(username)) {
+		if (room && room?.muted?.includes(username)) {
 			toastr.error(TAPi18n.__('You_have_been_muted', ''));
 		} else if (jitsiTimeout > currentTime) {
 			instance.tabBar.open('video');