Moved code from TablesPage into seperate PropetiesPage component

Clears up the TablePage and makes rhe propertypage reusable.

pglab/PropertiesPage.h

@@ -0,0 +1,28 @@
+#ifndef PROPERTIESPAGE_H
+#define PROPERTIESPAGE_H
+
+#include <QSplitter>
+
+class QTableView;
+class SqlCodePreview;
+class PgDatabaseCatalog;
+class PropertyProxyModel;
+
+class PropertiesPage : public QSplitter
+{
+	Q_OBJECT
+public:
+	explicit PropertiesPage(QWidget *parent = nullptr);
+
+signals:
+
+public slots:
+
+private:
+	QTableView *m_tableView = nullptr;
+//	SqlCodePreview *m_definitionView = nullptr;
+	PropertyProxyModel *m_propertyProxyModel = nullptr;
+
+};
+
+#endif // PROPERTIESPAGE_H