test: switch runner to browser mode

- Run tests in native browser instead of using jsdom

angular.json

@@ -89,6 +89,7 @@
         "test": {
           "builder": "@angular/build:unit-test",
           "options": {
+            "runnerConfig": "vitest-base.config.ts",
             "coverageExclude": ["**/*.html"]
           }
         }