bugfix: ui fixes after merge with android tab navigation branch (#1339)

* bugfix: ui fixes after merge with android tab navigation branch

* bugfix: fix crash on quit

* chore: fix typos

* chore: remove useless comment

* bugfix: fix trigger behavior for `ListViewWithRadioButtonType`

* bugfix: fixed dropdown listview scrolling

* bugfix: fixed amfree availability display

* chore: remove item existence check in triggerCurrentItem function

---------

Co-authored-by: Cyril Anisimov <CyAn84@gmail.com>

client/ui/qml/Pages2/PageProtocolAwgSettings.qml

@@ -36,13 +36,13 @@ PageType {
     ListView {
         id: listview
 
+        property bool isFocusable: true
+
         anchors.top: backButtonLayout.bottom
         anchors.bottom: parent.bottom
 
         width: parent.width
 
-        property bool isFocusable: true
-
         Keys.onTabPressed: {
             FocusController.nextKeyTabItem()
         }
@@ -138,26 +138,6 @@ PageType {
                     checkEmptyText: true
                 }
 
-                TextFieldWithHeaderType {
-                    id: mtuTextField
-                    Layout.fillWidth: true
-                    Layout.topMargin: 16
-
-                    headerText: qsTr("MTU")
-                    textFieldText: mtu
-                    textField.validator: IntValidator { bottom: 576; top: 65535 }
-
-                    textField.onEditingFinished: {
-                        if (textFieldText === "") {
-                            textFieldText = "0"
-                        }
-                        if (textFieldText !== mtu) {
-                            mtu = textFieldText
-                        }
-                    }
-                    checkEmptyText: true
-                }
-
                 TextFieldWithHeaderType {
                     id: junkPacketCountTextField
                     Layout.fillWidth: true