Add new icon styles

Change backup image name from icon to backup

Cura-8681

plugins/CuraDrive/src/qml/pages/WelcomePage.qml

@@ -23,7 +23,7 @@ Column
     {
         id: profileImage
         fillMode: Image.PreserveAspectFit
-        source: "../images/icon.png"
+        source: "../images/backup.svg"
         anchors.horizontalCenter: parent.horizontalCenter
         width: Math.round(parent.width / 4)
     }