fix: systray not fully revealing last elem

src/Bar.qml

@@ -21,6 +21,8 @@ Scope {
                 bottom: true
             }
             margins.left: 2
+            margins.top: 2
+            margins.bottom: 2
 
             width: 30
             color: "transparent"

src/base/BRectangle.qml

@@ -3,8 +3,6 @@ import QtQuick
 Rectangle {
     width: parent.width
     height: parent.height
-    anchors.bottomMargin: 5
-    anchors.topMargin: 5
     border.color: "black"
     border.width: 2
     radius: 5

src/widgets/systray/SysTray.qml

@@ -6,19 +6,18 @@ import Quickshell.Services.SystemTray
 import "root:base"
 
 BRectangle {
-    height: 100
+    height: 112
 
     ScrollView {
         anchors.fill: parent
         contentWidth: availableWidth
-        padding: parent.border.width
+        padding: parent.border.width * 2
 
         ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
         ScrollBar.vertical.policy: ScrollBar.AlwaysOff
 
         ColumnLayout {
             anchors.fill: parent
-            anchors.margins: 4
 
             Repeater {
                 model: SystemTray.items