Reorder QML files to follow coding conventions

https://doc.qt.io/qt-5/qml-codingconventions.html#qml-object-declarations

src/gui/Pages/Chat/RoomPane/SettingsView.qml

@@ -9,7 +9,6 @@ import "../../../Base/Buttons"
 HFlickableColumnPage {
     id: settingsView
 
-
     property var saveFuture: null
 
     readonly property bool anyChange:
@@ -19,7 +18,6 @@ HFlickableColumnPage {
 
     readonly property Item keybindFocusItem: nameField.item
 
-
     function save() {
         if (saveFuture) saveFuture.cancel()
 
@@ -81,7 +79,6 @@ HFlickableColumnPage {
     onKeyboardAccept: save()
     onKeyboardCancel: cancel()
 
-
     HRoomAvatar {
         id: avatar
         roomId: chat.roomId
@@ -117,13 +114,13 @@ HFlickableColumnPage {
         Layout.fillWidth: true
 
         HScrollView {
+            readonly property alias area: topicAreaIn
+
             clip: true
             width: parent.width
             height:
                 Math.min(topicAreaIn.implicitHeight, settingsView.height / 2)
 
-            readonly property alias area: topicAreaIn
-
             HTextArea {
                 id: topicAreaIn
                 placeholderText: qsTr("This room is about...")