[CL-525] Upgrade angular to v19 (#14815)

Upgrade Angular to v19 using the update guide.

- Add `standalone: false` to any missed component in stories or tests.
- Update jest.config to follow the new best practices.

libs/billing/jest.config.js

@@ -8,7 +8,6 @@ const sharedConfig = require("../../libs/shared/jest.config.angular");
 module.exports = {
   ...sharedConfig,
   displayName: "libs/billing tests",
-  preset: "jest-preset-angular",
   setupFilesAfterEnv: ["<rootDir>/test.setup.ts"],
   moduleNameMapper: pathsToModuleNameMapper(compilerOptions?.paths || {}, {
     prefix: "<rootDir>/",

libs/billing/tsconfig.spec.json

@@ -1,4 +1,8 @@
 {
   "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "isolatedModules": true,
+    "emitDecoratorMetadata": false
+  },
   "files": ["./test.setup.ts"]
 }