[users] Use base Config and its Preset-handling

src/modules/users/Config.cpp

@@ -16,7 +16,6 @@
 
 #include "GlobalStorage.h"
 #include "JobQueue.h"
-#include "modulesystem/Preset.h"
 #include "utils/Logger.h"
 #include "utils/String.h"
 #include "utils/Variant.h"
@@ -92,7 +91,7 @@ hostNameActionNames()
 }
 
 Config::Config( QObject* parent )
-    : QObject( parent )
+    : Calamares::ModuleSystem::Config( parent )
 {
     emit readyChanged( m_isReady );  // false
 
@@ -838,9 +837,11 @@ Config::setConfigurationMap( const QVariantMap& configurationMap )
     updateGSAutoLogin( doAutoLogin(), loginName() );
     checkReady();
 
-    bool bogus = true;
-    Calamares::ModuleSystem::Presets p( CalamaresUtils::getSubMap( configurationMap, "presets", bogus ),
-                                        { "fullname", "loginname", } );
+    loadPresets( configurationMap,
+                 {
+                     "fullname",
+                     "loginname",
+                 } );
 }
 
 void

src/modules/users/Config.h

@@ -13,6 +13,7 @@
 #include "CheckPWQuality.h"
 
 #include "Job.h"
+#include "modulesystem/Config.h"
 #include "utils/NamedEnum.h"
 
 #include <QList>
@@ -85,7 +86,7 @@ private:
 };
 
 
-class PLUGINDLLEXPORT Config : public QObject
+class PLUGINDLLEXPORT Config : public Calamares::ModuleSystem::Config
 {
     Q_OBJECT
 
@@ -161,7 +162,7 @@ public:
     Config( QObject* parent = nullptr );
     ~Config() override;
 
-    void setConfigurationMap( const QVariantMap& );
+    void setConfigurationMap( const QVariantMap& ) override;
 
     /** @brief Fill Global Storage with some settings
      *