Avoid a warning at launch
> WARNING:QGuiApplication::setDesktopFileName: the specified desktop file name ends with .desktop.
> For compatibility reasons, the .desktop suffix will be removed.
> Please specify a desktop file name without .desktop suffix
--- a/src/app/puzzle/main.cpp
+++ b/src/app/puzzle/main.cpp
@@ -120,7 +120,7 @@ auto main(int argc, char *argv[]) -> int
 
     QT_REQUIRE_VERSION(argc, argv, "5.15.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-    VPApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.puzzle.desktop"));
+    VPApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.puzzle"));
 
     QTimer::singleShot(0, &app, &VPApplication::ProcessCMD);
 
--- a/src/app/tape/main.cpp
+++ b/src/app/tape/main.cpp
@@ -119,7 +119,7 @@ auto main(int argc, char *argv[]) -> int
 
     QT_REQUIRE_VERSION(argc, argv, "5.15.0"); // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-    MApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.tape.desktop"));
+    MApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.tape"));
 
     QTimer::singleShot(0, &app, &MApplication::ProcessCMD);
 
--- a/src/app/valentina/main.cpp
+++ b/src/app/valentina/main.cpp
@@ -132,7 +132,7 @@ auto main(int argc, char *argv[]) -> int
 
     QT_REQUIRE_VERSION(argc, argv, "5.15.0") // clazy:exclude=qstring-arg,qstring-allocations NOLINT
 
-    VApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.valentina.desktop"));
+    VApplication::setDesktopFileName(QStringLiteral("ua.com.smart-pattern.valentina"));
 
     MainWindow w;
 #if !defined(Q_OS_MAC)