feat: upgrade to Angular 16.1

frontend/app/tsconfig.spec.json

@@ -2,7 +2,6 @@
   "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "../out-tsc/spec",
-    "baseUrl": "./",
     "types": ["jasmine", "node"],
     "paths": {
       "@capacitor/*": ["__mocks__/@capacitor/*"]
@@ -10,5 +9,5 @@
   },
   "files": ["src/test.ts"],
   "exclude": ["cypress"],
-  "include": ["src/polyfills.ts", "**/*.spec.ts", "**/*.d.ts"]
+  "include": ["src/**/*.spec.ts", "src/**/*.d.ts"]
 }