apply(target, ctx, args) {
      // Let's fetch the value first, to trigger and escalate potential errors
      // Illegal invocations like `navigator.__proto__.vendor` will throw here
      utils.cache.Reflect.apply(...arguments)
      return value
    }
Utility function to reverse the process of `utils.stringifyFns`.
Will materialize an object with stringified functions (supports classic and fat arrow functions).

@param {object} fnStrObj - An object containing stringified functions as properties