1L Silver Ingot should have "material" property of silver instead of lead

[Kefpull]

Summary

Bugfixes "1L Silver Ingot should have "material" property of silver instead of lead"

Purpose of change

I was stockpiling silver in game and noticed that the tier 1 silver ingot had the wrong material property. While it's unlikely people would encounter this outside of maximum item spawn rate, it's still not right. (Unless it is, then a note should be added)

Reproduction steps:
1: spawn in or craft a 1L size silver ingot.

Describe the solution

data/json/items/resources/metal.json : change material property of 1l_silver from
"material": [ "lead" ], to
"material": [ "silver" ],

Karol1223's metals audit ( #64568 ) fixed a lot of the metal prices, but some of the properties were still broken.

Drew4484's metal ingots pull ( #56598 ) fixed all of the metal ingot materials except this one for some reason.

Describe alternatives you've considered

If this is intended behavior, there should be a note to explain why it is different from every other metal ingot.

Testing

Spawning the item using the debug menu now shows "silver" as the material.

Additional context

[github-actions]

You are creating a pull request with the master branch as the head branch. This is likely a mistake unless you really know what you are doing. You may read https://docs.github.com/en/get-started/quickstart/contributing-to-projects#creating-a-branch-to-work-on for a typical workflow of contributing to a project on GitHub.

[Karol1223]

Drew4484's metal ingots pull ( #56598 ) fixed all of the metal ingot materials except this one for some reason.

Because I only added 1l silver a year later in #64568. It's my bad. Cargo culting is a pain.