feat: configurable app id substitutions (#1317)

* feat: add configurable app ID substitutions setting

* feat: add live icon updates when substitutions change

* fix: cursor not showing on headerActions in non-collapsible cards

* fix: address PR review feedback

- add tags for search index
- remove hardcoded height from text fields

quickshell/Modules/Dock/DockAppButton.qml

@@ -49,6 +49,13 @@ Item {
             updateDesktopEntry();
         }
     }
+
+    Connections {
+        target: SettingsData
+        function onAppIdSubstitutionsChanged() {
+            updateDesktopEntry();
+        }
+    }
     property bool isWindowFocused: {
         if (!appData) {
             return false;