Made a bunch of changes to make the resource store system more friendly to multiple stores instead of just a single active one, and set up a resource database for editor assets

src/Editor/ResourceBrowser/CResourceBrowser.h

@@ -14,6 +14,7 @@ class CResourceBrowser : public QDialog
 {
     Q_OBJECT
     Ui::CResourceBrowser *mpUI;
+    CResourceStore *mpStore;
     CResourceTableModel *mpModel;
     CResourceProxyModel *mpProxyModel;
     CVirtualDirectoryModel *mpDirectoryModel;
@@ -24,6 +25,7 @@ public:
     void RefreshResources();
 
 public slots:
+    void OnStoreChanged(int Index);
     void OnSortModeChanged(int Index);
     void OnSearchStringChanged();
     void OnDirectorySelectionChanged(const QModelIndex& rkNewIndex, const QModelIndex& rkPrevIndex);