fix(overmind): make sure cached derived proxy values are rescoped when returned

Author: christianalfoni

packages/node_modules/overmind/src/derived.ts

@@ -98,6 +98,12 @@ export class Derived {
 
     this.previousProxifier = tree.proxifier
 
+    // This value might be a proxy, we need to rescope
+    // it to the current tree looking
+    if (this.value && this.value[IS_PROXY]) {
+      return proxyStateTree.rescope(this.value, tree)
+    }
+
     return this.value
   }
 }