adjust a bit containment config view sizing

shell/contents/configuration/AppletConfiguration.qml

@@ -29,8 +29,8 @@ import org.kde.plasma.configuration 2.0
 //TODO: all of this will be done with desktop components
 Rectangle {
     id: root
-    Layout.minimumWidth:  plasmoid.availableScreenRect.width
-    Layout.minimumHeight: plasmoid.availableScreenRect.height
+   // Layout.minimumWidth:  plasmoid.availableScreenRect.width
+   // Layout.minimumHeight: plasmoid.availableScreenRect.height
     
 
     LayoutMirroring.enabled: Qt.application.layoutDirection === Qt.RightToLeft

shell/contents/configuration/ContainmentConfiguration.qml

@@ -34,8 +34,8 @@ AppletConfiguration {
     isContainment: true
 
     internalDialog.visible: false
-    internalDialog.width: Math.min(root.height - units.gridUnit * 2, Math.max(internalDialog.implicitWidth, units.gridUnit * 45))
-    internalDialog.height: Math.min(root.width, Math.max(internalDialog.implicitHeight, units.gridUnit * 29))
+    internalDialog.width: root.width < root.height ? root.width : Math.min(root.width, Math.max(internalDialog.implicitWidth, units.gridUnit * 45))
+    internalDialog.height: Math.min(root.height, Math.max(internalDialog.implicitHeight, units.gridUnit * 29))
 
     readonly property bool horizontal: root.width > root.height