latte-dock v0.9.10 compatibility patch for Plasma < 5.13

plasma-pre-5.13-compat.patch

Index: latte-dock-0.9.10/shell/package/contents/configuration/LatteDockConfiguration.qml
===================================================================
--- latte-dock-0.9.10.orig/shell/package/contents/configuration/LatteDockConfiguration.qml
+++ latte-dock-0.9.10/shell/package/contents/configuration/LatteDockConfiguration.qml
@@ -43,8 +43,6 @@ import "../controls" as LatteExtraContro
 FocusScope {
     id: dialog
 
-    property alias backgroundMask: backgroundFrameSvgItem.mask
-
     readonly property bool basicLevel: viewConfig.complexity === Latte.Types.BasicSettings
     readonly property bool advancedLevel: viewConfig.complexity === Latte.Types.AdvancedSettings
     readonly property bool expertLevel: viewConfig.complexity === Latte.Types.ExpertSettings
Index: latte-dock-0.9.10/shell/package/contents/configuration/LatteDockSecondaryConfiguration.qml
===================================================================
--- latte-dock-0.9.10.orig/shell/package/contents/configuration/LatteDockSecondaryConfiguration.qml
+++ latte-dock-0.9.10/shell/package/contents/configuration/LatteDockSecondaryConfiguration.qml
@@ -40,8 +40,6 @@ import "../controls" as LatteExtraContro
 FocusScope {
     id: dialog
 
-    property alias backgroundMask: backgroundFrameSvgItem.mask
-
     width: typeSettings.width + units.smallSpacing * 4
     height: typeSettings.height + units.smallSpacing * 4
     Layout.minimumWidth: width