fix(overmind-angular): use correct api to grab track state tree

Author: christianalfoni

packages/node_modules/overmind-angular/src/index.ts

@@ -26,7 +26,7 @@ export const createConnect = <A extends Overmind<any>>(overmind: A) => () => {
     target.prototype.ngOnInit = function() {
       const ngZ = new NgZone({ enableLongStackTrace: false })
 
-      this.__tree = (overmind as any).proxyStateTree.getTrackingTree()
+      this.__tree = (overmind as any).proxyStateTree.getTrackStateTree()
       this.__currentFlushId = 0
       this.overmind = {
         state: this.__tree.state,