[welcome] Refactor link-clicking

- remove intermediate lambda
 - rename dialog slot to one handling links in general (which now
   **only** does the dialog link)

src/modules/welcome/checker/ResultsListWidget.cpp

@@ -205,12 +205,7 @@ ResultsListWidget::ResultsListWidget( QWidget* parent, const Calamares::Requirem
                                              "<a href=\"#details\">Details...</a>" );
                                    textLabel->setText( message.arg( *Calamares::Branding::ShortVersionedName ) ); )
             textLabel->setOpenExternalLinks( false );
-            connect( textLabel, &QLabel::linkActivated, this, [this, checkEntries]( const QString& link ) {
-                if ( link == "#details" )
-                {
-                    showDetailsDialog( checkEntries );
-                }
-            } );
+            connect( textLabel, &QLabel::linkActivated, this, &ResultsListWidget::linkClicked );
         }
         else
         {
@@ -267,9 +262,12 @@ ResultsListWidget::ResultsListWidget( QWidget* parent, const Calamares::Requirem
 
 
 void
-ResultsListWidget::showDetailsDialog( const Calamares::RequirementsList& checkEntries )
+ResultsListWidget::linkClicked( const QString& link )
 {
-    auto* dialog = new ResultsListDialog( this, checkEntries );
+    if ( link == "#details" )
+    {
+        auto* dialog = new ResultsListDialog( this, m_entries );
         dialog->exec();
         dialog->deleteLater();
     }
+}

src/modules/welcome/checker/ResultsListWidget.h

@@ -32,7 +32,9 @@ public:
     explicit ResultsListWidget( QWidget* parent, const Calamares::RequirementsList& checkEntries );
 
 private:
-    void showDetailsDialog( const Calamares::RequirementsList& checkEntries );
+    /// @brief A link in the explanatory text has been clicked
+    void linkClicked( const QString& link );
+    void retranslate();
 
     const Calamares::RequirementsList& m_entries;
 };