fix(overmind): exlcude esModule property from state

Author: christianalfoni

packages/node_modules/overmind/src/index.ts

@@ -322,6 +322,10 @@ export class Overmind<Config extends Configuration> implements BaseApp {
   }
   private processState(state: {}) {
     return Object.keys(state).reduce((aggr, key) => {
+      if (key === '__esModule') {
+        return aggr
+      }
+
       const value = state[key]
       if (isPlainObject(value)) {
         aggr[key] = this.processState(value)