fix: use vim.o.winborder

.config/nvim/lua/rocketcamel/plugins/cmp.lua

@@ -1,13 +1,10 @@
 local function setup_keybinds()
   vim.keymap.set("n", "gd", vim.lsp.buf.definition)
   vim.keymap.set("n", "ev", function()
-    vim.diagnostic.open_float({ border = "rounded" })
-  end)
-  vim.keymap.set("n", "K", function()
-    vim.lsp.buf.hover({ border = "rounded" })
+    vim.diagnostic.open_float()
   end)
   vim.keymap.set("i", "<C-s>", function()
-    vim.lsp.buf.signature_help({ border = "rounded" })
+    vim.lsp.buf.signature_help()
   end)
   vim.diagnostic.config({ virtual_text = true })
 end