IPC Instrument Menu Fix (Simple-Station#1287)

<!--
This is a semi-strict format, you can add/remove sections as needed but
the order/format should be kept the same
Remove these comments before submitting
-->

# Description

<!--
Explain this PR in as much detail as applicable

Some example prompts to consider:
How might this affect the game? The codebase?
What might be some alternatives to this?
How/Who does this benefit/hurt [the game/codebase]?
-->

Fixes IPCs being unable to use the midi menu.

---

# Changelog

<!--
You can add an author after the `:cl:` to change the name that appears
in the changelog (ex: `:cl: Death`)
Leaving it blank will default to your GitHub display name
This includes all available types for the changelog
-->

:cl:
- fix: Fixed IPCs being unable to use the midi menu.

Resources/Prototypes/Entities/Mobs/Player/silicon_base.yml

@@ -207,6 +207,9 @@
           type: HumanoidMarkingModifierBoundUserInterface
         enum.StrippingUiKey.Key:
           type: StrippableBoundUserInterface
+        enum.InstrumentUiKey.Key:
+          type: InstrumentBoundUserInterface
+          requireInputValidation: false
         enum.RadialSelectorUiKey.Key:
           type: RadialSelectorMenuBUI
         enum.ListViewSelectorUiKey.Key: