[StartupTasksModel] Try resolving startup application id to applications: URL

CCBUG: 385594

Differential Revision: https://phabricator.kde.org/D8257

libtaskmanager/startuptasksmodel.cpp

@@ -164,8 +164,15 @@ QUrl StartupTasksModel::Private::launcherUrl(const KStartupInfoData &data)
     // Try to match via desktop filename ...
     if (!appId.isEmpty() && appId.endsWith(QLatin1String(".desktop"))) {
         if (appId.startsWith(QLatin1String("/"))) {
-            launcherUrl = QUrl::fromLocalFile(appId);
-            return launcherUrl;
+            // Even if we have an absolute path, try resolving to a service first (Bug 385594)
+            KService::Ptr service = KService::serviceByDesktopPath(appId);
+            if (!service) { // No luck, just return it verbatim
+                launcherUrl = QUrl::fromLocalFile(appId);
+                return launcherUrl;
+            }
+
+            // Fall-through to menuId() handling below
+            services = {service};
         } else {
             if (appId.endsWith(QLatin1String(".desktop"))) {
                 appId = appId.mid(appId.length() - 8);