DolphinQt: add a 'add to watch' context menu item that allows you to add a memory location found in a cheat search to be added to the watch list

Source/Core/DolphinQt/CheatSearchWidget.cpp

@@ -454,6 +454,10 @@ void CheatSearchWidget::OnAddressTableContextMenu()
   QMenu* menu = new QMenu(this);
 
   menu->addAction(tr("Show in memory"), [this, address] { emit ShowMemory(address); });
+  menu->addAction(tr("Add to watch"), this, [this, address] {
+    const QString name = QStringLiteral("mem_%1").arg(address, 8, 16, QLatin1Char('0'));
+    emit RequestWatch(name, address);
+  });
   menu->addAction(tr("Generate Action Replay Code"), this, &CheatSearchWidget::GenerateARCode);
 
   menu->exec(QCursor::pos());

Source/Core/DolphinQt/CheatSearchWidget.h

@@ -41,6 +41,7 @@ public:
 
 signals:
   void ActionReplayCodeGenerated(const ActionReplay::ARCode& ar_code);
+  void RequestWatch(QString name, u32 address);
   void ShowMemory(const u32 address);
 
 private:

Source/Core/DolphinQt/CheatsManager.cpp

@@ -123,6 +123,8 @@ void CheatsManager::OnNewSessionCreated(const Cheats::CheatSearchSessionBase& se
                  m_ar_code->AddCode(ar_code);
              });
   w->connect(w, &CheatSearchWidget::ShowMemory, [this](u32 address) { emit ShowMemory(address); });
+  w->connect(w, &CheatSearchWidget::RequestWatch,
+             [this](QString name, u32 address) { emit RequestWatch(name, address); });
   m_tab_widget->setCurrentIndex(tab_index);
 }
 

Source/Core/DolphinQt/CheatsManager.h

@@ -36,6 +36,7 @@ public:
 signals:
   void OpenGeneralSettings();
   void ShowMemory(u32 address);
+  void RequestWatch(QString name, u32 address);
 
 private:
   void CreateWidgets();

Source/Core/DolphinQt/MainWindow.cpp

@@ -466,6 +466,7 @@ void MainWindow::CreateComponents()
   connect(m_breakpoint_widget, &BreakpointWidget::ShowMemory, m_memory_widget,
           &MemoryWidget::SetAddress);
   connect(m_cheats_manager, &CheatsManager::ShowMemory, m_memory_widget, &MemoryWidget::SetAddress);
+  connect(m_cheats_manager, &CheatsManager::RequestWatch, request_watch);
 }
 
 void MainWindow::ConnectMenuBar()