Reorder QML files to follow coding conventions

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

src/gui/Pages/AddAccount/Register.qml

@@ -20,7 +20,6 @@ HFlickableColumnPage {
         }
     }
 
-
     HLabel {
         wrapMode: Text.Wrap
         horizontalAlignment: Qt.AlignHCenter

src/gui/Pages/AddAccount/Reset.qml

@@ -21,7 +21,6 @@ HFlickableColumnPage {
         }
     }
 
-
     HLabel {
         wrapMode: Text.Wrap
         horizontalAlignment: Qt.AlignHCenter

src/gui/Pages/AddAccount/SignIn.qml

@@ -8,7 +8,6 @@ import "../../Base/Buttons"
 HFlickableColumnPage {
     id: page
 
-
     property var loginFuture: null
 
     property string signInWith: "username"
@@ -17,7 +16,6 @@ HFlickableColumnPage {
         serverField.item.text.trim() && idField.item.text.trim() &&
         passwordField.item.text && ! serverField.item.error
 
-
     function takeFocus() { idField.item.forceActiveFocus() }
 
     function signIn() {
@@ -95,7 +93,6 @@ HFlickableColumnPage {
     onKeyboardAccept: page.signIn()
     onKeyboardCancel: page.cancel()
 
-
     Timer {
         id: signInTimeout
         interval: 30 * 1000
@@ -190,11 +187,11 @@ HFlickableColumnPage {
         Layout.fillWidth: true
 
         HTextField {
+            readonly property string cleanText: text.toLowerCase().trim()
+
             width: parent.width
             text: "https://matrix.org"
             error: ! /.+:\/\/.+/.test(cleanText)
-
-            readonly property string cleanText: text.toLowerCase().trim()
         }
     }