fix(StatusImageCropPanel) vertically align slider in ImageCropPanel (#829)

- change StatusSlider to be vertically centered

Needed for https://github.com/status-im/status-desktop/issues/6725

ui/StatusQ/src/StatusQ/Components/StatusImageCropPanel.qml

@@ -242,13 +242,14 @@ Item {
             StatusIcon {
                 icon: "remove-circle"
 
+                Layout.alignment: Qt.AlignVCenter
                 Layout.preferredWidth: 20
                 Layout.preferredHeight: 20
             }
             StatusSlider {
                 Layout.fillWidth: true
                 Layout.topMargin: 20
-                Layout.bottomMargin: 25
+                Layout.bottomMargin: 20
                 Layout.alignment: Qt.AlignVCenter
 
                 enabled: root.interactive
@@ -262,6 +263,7 @@ Item {
             StatusIcon {
                 icon: "add-circle"
 
+                Layout.alignment: Qt.AlignVCenter
                 Layout.preferredWidth: 20
                 Layout.preferredHeight: 20
             }

ui/StatusQ/src/StatusQ/Controls/StatusSlider.qml

@@ -31,7 +31,8 @@ Slider {
         id: bgRect
 
         x: root.leftPadding
-        y: root.topPadding
+        anchors.verticalCenter: root.verticalCenter
+
         implicitWidth: 100
         implicitHeight: bgHeight
         width: root.availableWidth