fix(overmind): fix typing

Author: christianalfoni

packages/node_modules/overmind/src/internalTypes.ts

@@ -22,7 +22,7 @@ export type RehydrateClasses<T extends IState> = Pick<{
       T[P] extends { [key: string]: { toJSON: () => infer U } } ? (data: U) => T[P][0] :
       T[P] extends IState ? RehydrateClasses<T[P]> :
       never
-},{ [Key in keyof T]: T[Key] extends { toJSON: () => any } ? Key : never }[keyof T]>
+},{ [Key in keyof T]: T[Key] extends { toJSON: () => any } | Array<{ toJSON: () => any }> | { [key: string]: { toJSON: () => any } } ? Key : never }[keyof T]>
 
 export type Options = {
   name?: string