Fix an issue that kept the plugins in the "installed" list despite of

already being removed from the data folder.

cura/CuraPackageManager.py

@@ -97,6 +97,7 @@ class CuraPackageManager(QObject):
     def _removeAllScheduledPackages(self) -> None:
         for package_id in self._to_remove_package_set:
             self._purgePackage(package_id)
+            del self._installed_package_dict[package_id]
         self._to_remove_package_set.clear()
         self._saveManagementData()
 

plugins/Toolbox/src/Toolbox.py

@@ -251,7 +251,6 @@ class Toolbox(QObject, Extension):
 
     @pyqtSlot()
     def restart(self):
-        self._package_manager._removeAllScheduledPackages()
         CuraApplication.getInstance().windowClosed()
 
     # Checks