[ui] GraphEditor: Fixed Key handling for Node creation Menu

Keys.AfterItem as the priority ensures the Item's own key events are handled before Forwarding it to specified items. This handles all defined Enter and Return key presses

meshroom/ui/qml/GraphEditor/GraphEditor.qml

@@ -293,6 +293,8 @@ Item {
                                 searchBar.forceActiveFocus()
                         }
                     }
+                    // Set the priority ordering of the keys to be Item's own Key Handling > ForwardTo
+                    Keys.priority: Keys.AfterItem;
                     // Create node on mouse click
                     onClicked: newNodeMenu.createNode(modelData)