moved handling of connection states from qml in connectionController

- added a check for already installed containers before installing the server/container
- added a button to scan the server for installed containers
- added separation for read/write and readonly servers for pageHome

client/ui/qml/Components/ShareConnectionDrawer.qml

@@ -141,6 +141,7 @@ DrawerType {
                                 Layout.bottomMargin: 16
 
                                 padding: 0
+                                leftPadding: 0
                                 height: 24
 
                                 color: "#D7D8DB"