Closes https://github.com/zed-industries/zed/issues/62262 ## Solution Identical hover responses from multiple language servers should be displayed only once. Different hover responses should still all be preserved, since multiple language servers may provide complementary information. ## Showcase https://github.com/user-attachments/assets/67246d9f-ed1c-4f5a-98f5-f10548b7fc6d --- Release Notes: - Deduplicated identical language server hover responses --------- Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com> Co-authored-by: zed-zippy[bot] <234243425+zed-zippy[bot]@users.noreply.github.com>