settings: do not stretch settings vertically

Change-Id: Ie1442ba33f31775574b2542d161f6bea37f8e1f6
Gitlab: #118

src/settingsview/components/AvSettingPage.qml

@@ -50,9 +50,8 @@ Rectangle {
     ColumnLayout {
         id: avSettingsColumnLayout
 
-        anchors.centerIn: root
+        anchors.horizontalCenter: root.horizontalCenter
 
-        height: root.height
         width: Math.min(JamiTheme.maximumWidthSettingsView, root.width)
 
         // Audio

src/settingsview/components/CurrentAccountSettings.qml

@@ -182,9 +182,8 @@ Rectangle {
     ColumnLayout {
         id: currentAccountSettingsColumnLayout
 
-        anchors.centerIn: root
+        anchors.horizontalCenter: root.horizontalCenter
 
-        height: root.height
         width: Math.min(JamiTheme.maximumWidthSettingsView, root.width)
 
         ToggleSwitch {

src/settingsview/components/GeneralSettingsPage.qml

@@ -38,9 +38,8 @@ Rectangle {
     ColumnLayout {
         id: generalSettingsColumnLayout
 
-        anchors.centerIn: root
+        anchors.horizontalCenter: root.horizontalCenter
 
-        height: root.height
         width: Math.min(JamiTheme.maximumWidthSettingsView, root.width)
 
         // system setting panel

src/settingsview/components/PluginSettingsPage.qml

@@ -44,9 +44,8 @@ Rectangle {
     ColumnLayout {
         id: pluginSettingsColumnLayout
 
-        anchors.centerIn: root
+        anchors.horizontalCenter: root.horizontalCenter
 
-        height: root.height
         width: Math.min(JamiTheme.maximumWidthSettingsView, root.width)
 
         ToggleSwitch {