Use oxlint through linter, fix folding startup error

lua/plugins/lspconfig.lua

@@ -10,6 +10,8 @@ return {
         -- removing .proto from the list of filetypes since clangd doesn't seem to be able to parse them
         filetypes = { "c", "cpp", "objc", "objcpp", "cuda" },
       },
+      -- Disable oxlint LSP - using nvim-lint with CLI instead for type-aware support
+      oxlint = { enabled = false },
     },
     -- Disable eslint formatting as it's slow and timing out on big projects
     -- taken from