CheatSearchWidget: Don't recreate table when refreshing values

The table only needs to be recreated when the displayed addresses might
change. If we're just refreshing the current values then update those
table cells and leave the rest of the table alone.

Source/Core/DolphinQt/CheatSearchWidget.h

@@ -57,7 +57,9 @@ private:
   void OnDisplayHexCheckboxStateChanged();
 
   bool RefreshValues();
-  void UpdateGuiTable();
+  void RefreshCurrentValueTableItem(QTableWidgetItem* current_value_table_item);
+  void RefreshGUICurrentValues();
+  void RecreateGUITable();
   void GenerateARCode();
 
   std::unique_ptr<Cheats::CheatSearchSessionBase> m_session;