Re-add the CloudSync functionality

It got removed in the marketplace upgrade.

CURA-9146

plugins/Marketplace/CloudSync/RestartApplicationPresenter.py

@@ -0,0 +1,32 @@
+from UM import i18nCatalog
+from UM.Message import Message
+from cura.CuraApplication import CuraApplication
+
+
+class RestartApplicationPresenter:
+    """Presents a dialog telling the user that a restart is required to apply changes
+
+    Since we cannot restart Cura, the app is closed instead when the button is clicked
+    """
+    def __init__(self, app: CuraApplication) -> None:
+        self._app = app
+        self._i18n_catalog = i18nCatalog("cura")
+
+    def present(self) -> None:
+        app_name = self._app.getApplicationDisplayName()
+
+        message = Message(self._i18n_catalog.i18nc("@info:generic",
+                                                   "You need to quit and restart {} before changes have effect.",
+                                                   app_name))
+
+        message.addAction("quit",
+                          name="Quit " + app_name,
+                          icon = "",
+                          description="Close the application",
+                          button_align=Message.ActionButtonAlignment.ALIGN_RIGHT)
+
+        message.actionTriggered.connect(self._quitClicked)
+        message.show()
+
+    def _quitClicked(self, *_):
+        self._app.windowClosed()