fix: disable Nvim v0.9.0 lsp semantic highlights

lua/gruber-darker.lua

@@ -28,6 +28,20 @@ local function create_autocmds()
 			vim.cmd.setlocal("winhighlight=Normal:NormalSB,SignColumn:SignColumnSB")
 		end,
 	})
+
+  -- This is a mitigation for new Nvim v0.9.0 lsp semantic highlights
+  -- overriding treesitter highlights. Need to link these to relevant
+  -- treesitter groups in the future. See :h lsp-semantic-highlight
+  vim.api.nvim_create_autocmd("ColorScheme", {
+    group = gruber_darker_group,
+    pattern = "*",
+    callback = function()
+      -- Hide all semantic highlights
+      for _, group in ipairs(vim.fn.getcompletion("@lsp", "highlight")) do
+        vim.api.nvim_set_hl(0, group, {})
+      end
+    end
+  })
 end
 
 ---Clear current highlights and set Neovim global `colors_name`