fix: add diagnostic sign to status column

lua/plugins/statuscol.lua

@@ -26,14 +26,8 @@ return {
                     "neo-tree"
                 },
                 segments = {
-                    -- diagnostic signs
                     {
-                        sign = {
+                        sign = { namespace = { "diagnostic/signs" }, maxwidth = 2, auto = true },
-                            name = { "Diagnostic" },
-                            colwidth = 2,
-                            maxwidth = 1,
-                            condition = { true }
-                        },
                         click = "v:lua.ScSa"
                     },
                     -- line numbers