ValueMonitor: Adjust margins and padding

Author: adazem009

src/internal/ValueMonitor.qml

@@ -19,7 +19,7 @@ Rectangle {
     QtObject {
         id: priv
         readonly property int horizontalMargins: 9
-        readonly property double verticalMargins: 2.5
+        readonly property double verticalMargins: 2
         readonly property color bgColor: Qt.rgba(0.9, 0.94, 1, 1)
     }
 
@@ -96,7 +96,7 @@ Rectangle {
                 font.family: "Helvetica"
                 leftPadding: 2
                 rightPadding: 2
-                topPadding: -5
+                topPadding: -3
                 bottomPadding: 0
                 horizontalAlignment: Qt.AlignHCenter
                 width: Math.max(31, implicitWidth)