interfaceStep{id:string;name:string;status:string;progress:number;  ...}interfaceJob{id:string;steps:Record<string,Step>;  ...}const[jobs,setJobs]=useMutative<Record<string,Job>>({});...constjobId="...";conststepId="...";constpartialStep:Partial<Step>={name:"...",status:"...",};setJobs((draft)=>{constjob=draft[jobId];if(!job){return;}// This is what im trying to do, but it's obviously wrongjob.steps[stepId]=partialStep;// Spread operation?job.steps[stepId]={ ...job.steps[stepId], ...partialStep};// Assign manually? I dont wanna do that as the object could growjob.steps[stepId].name=partialStep.name;// Loop the partial? gonna be calling lots of updates so i try to avoid loops...});