fix bar group glow to not affect content text

modules/BarGroup.qml

@@ -2,20 +2,33 @@ import QtQuick
 import QtQuick.Effects
 import "." as M
 
-Rectangle {
+Item {
     id: root
 
     default property alias content: row.children
     property color borderColor: M.Theme.base02
-    color: "transparent"
-    border.color: borderColor
-    border.width: 1
-    radius: M.Theme.radius
 
     visible: row.visibleChildren.length > 0
 
-    layer.enabled: true
-    layer.effect: MultiEffect {
+    implicitWidth: row.implicitWidth + _pad * 2
+    implicitHeight: row.implicitHeight + _pad * 2
+
+    readonly property int _pad: 6
+
+    // Shadow source — rendered offscreen, only its glow is visible
+    Rectangle {
+        id: shadowSource
+        anchors.fill: parent
+        color: "transparent"
+        border.color: root.borderColor
+        border.width: 1
+        radius: M.Theme.radius
+        visible: false
+    }
+
+    MultiEffect {
+        source: shadowSource
+        anchors.fill: shadowSource
         shadowEnabled: true
         shadowColor: root.borderColor
         shadowBlur: 0.6
@@ -23,10 +36,14 @@ Rectangle {
         shadowHorizontalOffset: 0
     }
 
-    implicitWidth: row.implicitWidth + _pad * 2
-    implicitHeight: row.implicitHeight + _pad * 2
-
-    readonly property int _pad: 6
+    // Visible border (on top of the glow)
+    Rectangle {
+        anchors.fill: parent
+        color: "transparent"
+        border.color: root.borderColor
+        border.width: 1
+        radius: M.Theme.radius
+    }
 
     Row {
         id: row