Address review comments

src/yuzu/multiplayer/chat_room.cpp

@@ -154,9 +154,7 @@ public:
         }
         const QString version = data(GameVersionRole).toString();
         QString version_string;
-        if (version.isEmpty()) {
-            version_string = QString{};
-        } else {
+        if (!version.isEmpty()) {
             version_string = QStringLiteral("(%1)").arg(version);
         }
         return QStringLiteral("%1\n      %2 %3")

src/yuzu/multiplayer/direct_connect.cpp

@@ -8,6 +8,7 @@
 #include <QString>
 #include <QtConcurrent/QtConcurrentRun>
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/internal_network/network_interface.h"
 #include "network/network.h"
 #include "ui_direct_connect.h"

src/yuzu/multiplayer/direct_connect.h

@@ -6,13 +6,16 @@
 #include <memory>
 #include <QDialog>
 #include <QFutureWatcher>
-#include "core/core.h"
 #include "yuzu/multiplayer/validation.h"
 
 namespace Ui {
 class DirectConnect;
 }
 
+namespace Core {
+class System;
+}
+
 class DirectConnectWindow : public QDialog {
     Q_OBJECT
 

src/yuzu/multiplayer/host_room.cpp

@@ -12,6 +12,7 @@
 #include <QtConcurrent/QtConcurrentRun>
 #include "common/logging/log.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/internal_network/network_interface.h"
 #include "network/announce_multiplayer_session.h"
 #include "ui_host_room.h"

src/yuzu/multiplayer/host_room.h

@@ -8,7 +8,6 @@
 #include <QSortFilterProxyModel>
 #include <QStandardItemModel>
 #include <QVariant>
-#include "core/core.h"
 #include "network/network.h"
 #include "yuzu/multiplayer/chat_room.h"
 #include "yuzu/multiplayer/validation.h"
@@ -18,8 +17,9 @@ class HostRoom;
 }
 
 namespace Core {
+class System;
 class AnnounceMultiplayerSession;
-}
+} // namespace Core
 
 class ConnectionError;
 class ComboBoxProxyModel;

src/yuzu/multiplayer/lobby.cpp

@@ -6,6 +6,7 @@
 #include <QtConcurrent/QtConcurrentRun>
 #include "common/logging/log.h"
 #include "common/settings.h"
+#include "core/core.h"
 #include "core/internal_network/network_interface.h"
 #include "network/network.h"
 #include "ui_lobby.h"

src/yuzu/multiplayer/lobby.h

@@ -9,7 +9,6 @@
 #include <QSortFilterProxyModel>
 #include <QStandardItemModel>
 #include "common/announce_multiplayer_room.h"
-#include "core/core.h"
 #include "network/announce_multiplayer_session.h"
 #include "network/network.h"
 #include "yuzu/multiplayer/validation.h"
@@ -21,6 +20,10 @@ class Lobby;
 class LobbyModel;
 class LobbyFilterProxyModel;
 
+namespace Core {
+class System;
+}
+
 /**
  * Listing of all public games pulled from services. The lobby should be simple enough for users to
  * find the game they want to play, and join it.

src/yuzu/multiplayer/state.cpp

@@ -8,6 +8,7 @@
 #include <QStandardItemModel>
 #include "common/announce_multiplayer_room.h"
 #include "common/logging/log.h"
+#include "core/core.h"
 #include "yuzu/game_list.h"
 #include "yuzu/multiplayer/client_room.h"
 #include "yuzu/multiplayer/direct_connect.h"

src/yuzu/multiplayer/state.h

@@ -4,7 +4,6 @@
 #pragma once
 
 #include <QWidget>
-#include "core/core.h"
 #include "network/announce_multiplayer_session.h"
 #include "network/network.h"
 
@@ -15,6 +14,10 @@ class ClientRoomWindow;
 class DirectConnectWindow;
 class ClickableLabel;
 
+namespace Core {
+class System;
+}
+
 class MultiplayerState : public QWidget {
     Q_OBJECT;