overview: search: put types of icons into loaders

.config/quickshell/modules/overview/SearchItem.qml

@@ -68,18 +68,29 @@ Button {
         anchors.rightMargin: root.horizontalMargin + root.buttonHorizontalPadding
 
         // Icon
+        Loader {
+            id: iconLoader
+            active: true
+            sourceComponent: root.materialSymbol == "" ? iconImageComponent : materialSymbolComponent
+        }
+
+        Component {
+            id: iconImageComponent
             IconImage {
-            visible: root.materialSymbol == ""
+                source: Quickshell.iconPath(root.itemIcon)
-            source: Quickshell.iconPath(root.itemIcon);
                 width: 35
                 height: 35
             }
+        }
+
+        Component {
+            id: materialSymbolComponent
             MaterialSymbol {
-            visible: root.materialSymbol != ""
                 text: root.materialSymbol
                 iconSize: 30
                 color: Appearance.m3colors.m3onSurface
             }
+        }
 
         // Main text
         ColumnLayout {