Growler/Bree Hotfix

What have you done in this MR?

• Adjusted item quantities for Steel Arrows, Steel Darts, Law Runes, Snape Grass, and Unicorn Horns

Bree

Growler

Are there any tricky things testers should keep an eye out for?

• No

• I have tested these changes thoroughly.

• I used the Thanos Tool for any JSON edits where possible and have attached screenshots of any changes.

• I acknowledge that this contribution will be released under the AGPL license.