feat: add mtproxy(#2370)

* Feat: Add MtProxy (Telegram)

* add path files

* refactor: move logic from ui to core

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Co-authored-by: vkamn <vk@amnezia.org>

client/ui/qml/Pages2/PageStart.qml

@@ -132,9 +132,11 @@ PageType {
             onInstallationErrorOccurred(message)
         }
 
-        function onUpdateContainerFinished(message) {
+        function onUpdateContainerFinished(message, closePage) {
             PageController.showNotificationMessage(message)
-            PageController.closePage()
+            if (closePage) {
+                PageController.closePage()
+            }
         }
 
         function onCachedProfileCleared(message) {