Add missing Group.svg icon

CURA-8520

resources/qml/WelcomePages/CloudContent.qml

@@ -172,7 +172,7 @@ Item
                         anchors.horizontalCenter: communityColumn.horizontalCenter
                         fillMode: Image.PreserveAspectFit
                         width: UM.Theme.getSize("welcome_wizard_cloud_content_image").width
-                        source: UM.Theme.getIcon("PrinterTriple", "medium")
+                        source: UM.Theme.getIcon("Group")
                         sourceSize.width: width
                         sourceSize.height: height
                     }

resources/themes/cura-light/icons/deprecated_icons.json

@@ -331,6 +331,10 @@
         "new_icon": "ChevronSingleDown",
         "size": "default"
     },
+    "group": {
+        "new_icon": "Group",
+        "size": "default"
+    },
     "link": {
         "new_icon": "Link",
         "size": "default"