T466: Hide the search icon from printer setup

When in custom mode in the printer setup pane and a gcode file gets loaded
the search icon needs to disappear as well.
Reported by @GhostKeeper, and fix provided by @victor9999

resources/qml/Sidebar.qml

@@ -385,7 +385,7 @@ Rectangle
         height: settingsModeSelection.height
         width: visible ? height : 0
 
-        visible: !monitoringPrint && modesListModel.get(base.currentModeIndex) != undefined && modesListModel.get(base.currentModeIndex).showFilterButton
+        visible: !monitoringPrint && !hideSettings && modesListModel.get(base.currentModeIndex) != undefined && modesListModel.get(base.currentModeIndex).showFilterButton
         opacity: visible ? 1 : 0
 
         onClicked: sidebarContents.currentItem.toggleFilterField()