[PM-6172] Run localStorage migrations for web (#7900)

* Create MigrationRunner

- Create MigrationRunner Service for running migrations in StateService
- Create web override so that migrations also run against `localStorage`

* Fix Web StateService

* Fix WebMigrationRunner

* Fix CLI

* Fix ElectronStateService

* Update Comment

* More Common Scenarios

libs/common/src/platform/services/migration-builder.service.spec.ts

@@ -0,0 +1,89 @@
+import { mock } from "jest-mock-extended";
+
+import { FakeStorageService } from "../../../spec/fake-storage.service";
+import { MigrationHelper } from "../../state-migrations/migration-helper";
+
+import { MigrationBuilderService } from "./migration-builder.service";
+
+describe("MigrationBuilderService", () => {
+  // All migrations from 10+ should be capable of having a null account object or null global object
+  const startingStateVersion = 10;
+
+  const noAccounts = {
+    stateVersion: startingStateVersion,
+    authenticatedAccounts: <string[]>[],
+  };
+
+  const nullAndUndefinedAccounts = {
+    stateVersion: startingStateVersion,
+    authenticatedAccounts: ["account1", "account2"],
+    account1: <object>null,
+    account2: <object>undefined,
+  };
+
+  const emptyAccountObject = {
+    stateVersion: startingStateVersion,
+    authenticatedAccounts: ["account1"],
+    account1: {},
+  };
+
+  const nullCommonAccountProperties = {
+    stateVersion: startingStateVersion,
+    authenticatedAccounts: ["account1"],
+    account1: {
+      data: <object>null,
+      keys: <object>null,
+      profile: <object>null,
+      settings: <object>null,
+      tokens: <object>null,
+    },
+  };
+
+  const emptyCommonAccountProperties = {
+    stateVersion: startingStateVersion,
+    authenticatedAccounts: ["account1"],
+    account1: {
+      data: {},
+      keys: {},
+      profile: {},
+      settings: {},
+      tokens: {},
+    },
+  };
+
+  const nullGlobal = {
+    stateVersion: startingStateVersion,
+    global: <object>null,
+  };
+
+  const undefinedGlobal = {
+    stateVersion: startingStateVersion,
+    global: <object>undefined,
+  };
+
+  const emptyGlobalObject = {
+    stateVersion: startingStateVersion,
+    global: {},
+  };
+
+  it.each([
+    noAccounts,
+    nullAndUndefinedAccounts,
+    emptyAccountObject,
+    nullCommonAccountProperties,
+    emptyCommonAccountProperties,
+    nullGlobal,
+    undefinedGlobal,
+    emptyGlobalObject,
+  ])("should not produce migrations that throw when given data: %s", async (startingState) => {
+    const sut = new MigrationBuilderService();
+
+    const helper = new MigrationHelper(
+      startingStateVersion,
+      new FakeStorageService(startingState),
+      mock(),
+    );
+
+    await sut.build().migrate(helper);
+  });
+});