use camelCase and unload instead of hiding

.config/quickshell/ii/modules/background/Background.qml

@@ -215,7 +215,9 @@ Variants {
         }
 
         // The clock
-        Item {
+        Loader {
+            active: Config.options.background.showClock
+            sourceComponent: Item {
                 id: clock
                 visible: Config.options.background.show_clock
                 anchors {
@@ -321,3 +323,4 @@ Variants {
             }
         }
     }
+}

.config/quickshell/ii/modules/common/Config.qml

@@ -119,7 +119,7 @@ Singleton {
                 property bool fixedClockPosition: false
                 property real clockX: -500
                 property real clockY: -500
-                property bool show_clock: true
+                property bool showClock: true
                 property string wallpaperPath: ""
                 property string thumbnailPath: ""
                 property JsonObject parallax: JsonObject {

.config/quickshell/ii/modules/settings/InterfaceConfig.qml

@@ -630,9 +630,9 @@ ContentPage {
 
         ConfigSwitch {
             text: Translation.tr("Show clock")
-            checked: Config.options.background.show_clock
+            checked: Config.options.background.showClock
             onCheckedChanged: {
-                Config.options.background.show_clock = checked;
+                Config.options.background.showClock = checked;
             }
         }
     }