refactor: migrate standalone scripts to the new DI architecture

Bug: twpowertools:226
Change-Id: Ie32b0200a31626bde06f3bdb0655790bb5a76802
diff --git a/src/presentation/standaloneScripts/startupDataStorage/baseApplyStartupDataModifications.script.ts b/src/presentation/standaloneScripts/startupDataStorage/baseApplyStartupDataModifications.script.ts
new file mode 100644
index 0000000..8244382
--- /dev/null
+++ b/src/presentation/standaloneScripts/startupDataStorage/baseApplyStartupDataModifications.script.ts
@@ -0,0 +1,24 @@
+import Script, {
+  ScriptEnvironment,
+  ScriptPage,
+} from '../../../common/architecture/scripts/Script';
+import { StartupDataStoragePort } from '../../../services/communityConsole/StartupDataStorage.port';
+
+/**
+ * Base class which applies pending startup data modifications which have been
+ * added by other scripts.
+ */
+export default abstract class BaseApplyStartupDataModificationsScript extends Script {
+  priority = 2 ** 32;
+
+  page = ScriptPage.CommunityConsole;
+  environment = ScriptEnvironment.ContentScript;
+
+  constructor(private startupDataStorage: StartupDataStoragePort) {
+    super();
+  }
+
+  execute() {
+    this.startupDataStorage.applyModifications();
+  }
+}