Supply: Factory lead time for parts

There are two fields you can query in the API.

1. factoryLeadDays on SupOffer returns the number of days to acquire parts from the factory.

2. estimatedFactoryLeadDays on SupPart returns the estimated factory lead time in days derived from trusted distributor offers.

Here's an example query for authorized sellers:

query LeadDaysSearch {
  supSearch(q: "IRL3803STRLPBF", limit: 2) {
    results {
      part {
        mpn
        estimatedFactoryLeadDays
        sellers(authorizedOnly: true) {
          offers {
            factoryLeadDays
          }
        }
      }
    }
  }
}