gpui: Simplify uniform list API by removing entity param (#32480)
This PR also introduces `Context::processor`, a sibling of
`Context::listener` that takes a strong pointer to entity and allows for
a return result.
Release Notes:
- N/A
Co-authored-by: Mikayla <mikayla@zed.dev>
f567bb52ffBen Kunkle committed on 6/10/2025, 6:50:57 PM· committed by GitHubparentc556308