Rename hasPluginsEnabledOrDisabledChanged to pluginsEnabledOrDisabledChanged

This makes it more in line with the other signal naming

CURA-8587

plugins/Marketplace/PackageModel.py

@@ -75,7 +75,7 @@ class PackageModel(QObject):
         self.enablePackageTriggered.connect(self._plugin_registry.enablePlugin)
         self.disablePackageTriggered.connect(self._plugin_registry.disablePlugin)
 
-        self._plugin_registry.hasPluginsEnabledOrDisabledChanged.connect(self.stateManageButtonChanged)
+        self._plugin_registry.pluginsEnabledOrDisabledChanged.connect(self.stateManageButtonChanged)
         self._package_manager.packageInstalled.connect(lambda pkg_id: self._packageInstalled(pkg_id))
         self._package_manager.packageUninstalled.connect(lambda pkg_id: self._packageInstalled(pkg_id))
         self._package_manager.packageInstallingFailed.connect(lambda pkg_id: self._packageInstalled(pkg_id))

plugins/Marketplace/RestartManager.py

@@ -18,7 +18,7 @@ class RestartManager(QObject):
         self._plugin_registry: "PluginRegistry" = CuraApplication.getInstance().getPluginRegistry()
 
         self._manager.installedPackagesChanged.connect(self.checkIfRestartNeeded)
-        self._plugin_registry.hasPluginsEnabledOrDisabledChanged.connect(self.checkIfRestartNeeded)
+        self._plugin_registry.pluginsEnabledOrDisabledChanged.connect(self.checkIfRestartNeeded)
 
         self._restart_needed = False