support RTL to tooltips and previews

containment/package/contents/ui/ConfigOverlay.qml

@@ -459,6 +459,9 @@ MouseArea {
             width: handleRow.childrenRect.width + (2 * handleRow.spacing)
             height: Math.max(configureButton.height, label.contentHeight, closeButton.height)
             hoverEnabled: true
+            LayoutMirroring.enabled: Qt.application.layoutDirection === Qt.RightToLeft
+            LayoutMirroring.childrenInherit: true
+
             onEntered: hideTimer.stop();
             onExited:  hideTimer.restart();
             Row {

plasmoid/package/contents/ui/ToolTipInstance.qml

@@ -106,6 +106,7 @@ Column {
                 text: appName
                 opacity: flatIndex == 0
                 textFormat: Text.PlainText
+                horizontalAlignment: Text.AlignLeft
             }
             // window title
             PlasmaComponents.Label {
@@ -116,6 +117,7 @@ Column {
                 elide: Text.ElideRight
                 text: generateTitle()
                 textFormat: Text.PlainText
+                horizontalAlignment: Text.AlignLeft
                 opacity: 0.75
             }
             // subtext
@@ -127,6 +129,7 @@ Column {
                 elide: Text.ElideRight
                 text: isWin ? generateSubText() : ""
                 textFormat: Text.PlainText
+                horizontalAlignment: Text.AlignLeft
                 opacity: 0.6
                 visible: text !== ""
             }