App: Use the legacy macOS version functionality for About FreeCAD dialog (#20858)

src/App/Application.cpp

@@ -64,6 +64,7 @@
 #include <QDir>
 #include <QFileInfo>
 #include <QProcessEnvironment>
+#include <QRegularExpression>
 #include <QSettings>
 #include <QStandardPaths>
 #include <Inventor/C/basic.h>
@@ -127,7 +128,6 @@
 #include "OriginGroupExtension.h"
 #include "OriginGroupExtensionPy.h"
 #include "SuppressibleExtension.h"
-#include "SuppressibleExtensionPy.h"
 #include "Part.h"
 #include "GeoFeaturePy.h"
 #include "Placement.h"
@@ -3542,7 +3542,6 @@ std::string Application::FindHomePath(const char* sCall)
 QString Application::prettyProductInfoWrapper()
 {
     auto productName = QSysInfo::prettyProductName();
-#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
 #ifdef FC_OS_MACOSX
     auto macosVersionFile =
         QStringLiteral("/System/Library/CoreServices/.SystemVersionPlatform.plist");
@@ -3566,7 +3565,6 @@ QString Application::prettyProductInfoWrapper()
         }
     }
 #endif
-#endif
 #ifdef FC_OS_WIN64
     QSettings regKey {
         QStringLiteral("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"),
@@ -3795,4 +3793,4 @@ void Application::getVerboseAddOnsInfo(QTextStream& str, const std::map<std::str
             addModuleInfo(str, mod, firstMod);
         }
     }
-}
+}