added removal of spaces when inserting ip addresses

- fixed server sharing when sharing a server available only for connection when choosing a server with full access
- removed the notification about an empty backup file when the user closes the file dialog without selecting anything

client/ui/qml/Pages2/PageShare.qml

@@ -208,7 +208,7 @@ PageType {
                         serverSelector.text = selectedText
                         root.fullConfigServerSelectorText = selectedText
                         root.connectionServerSelectorText = selectedText
-                        ServersModel.currentlyProcessedIndex = currentIndex
+                        ServersModel.currentlyProcessedIndex = proxyServersModel.mapToSource(currentIndex)
                     }
                 }