Pass db instance to models. Pass models to QML.

src/db/sqlservicerecord.cpp

@@ -18,7 +18,7 @@
 #include "sqlservicerecord.h"
 #include <QSqlRecord>
 
-SqlServiceRecord::SqlServiceRecord(QObject* parent)
+SqlServiceRecord::SqlServiceRecord(QObject* parent, QSqlDatabase db) : QSqlTableModel(parent, db)
 {
     setTable("records");
 }