jest: fix setup for typeorm to be importable in tests

It needs to be transpiled, but also the global window variable was
breaking this code:
https://github.com/typeorm/typeorm/blob/e4de0403e1f666639c0198e216409f997121c1e8/src/platform/BrowserPlatformTools.template#L20

jest.config.js

@@ -7,10 +7,9 @@ module.exports = {
     "enzyme-to-json/serializer"
   ],
   transformIgnorePatterns: [
-    "node_modules/(?!react-native|native-base|@?react-navigation|react-native-fabric)"
+    "node_modules/(?!react-native|native-base|@?react-navigation|react-native-fabric|typeorm)"
   ],
   globals: {
-    window: true,
     "ts-jest": {
       babelConfig: true
     }