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

Also add ConnectionOptions type back to the config object

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
     }

ormconfig.ts

@@ -1,7 +1,8 @@
 import { entityList } from './src/lib/storage/entities'
 import { Initial1565886000404 } from './src/lib/storage/migration/1565886000404-initial'
+import { ConnectionOptions } from 'typeorm/browser'
 
-export default {
+const typeOrmConfig: ConnectionOptions = {
   type: 'react-native',
   database: 'LocalSmartWalletData',
   location: 'default',
@@ -14,3 +15,5 @@ export default {
     migrationsDir: 'src/lib/storage/migration',
   },
 }
+
+export default typeOrmConfig