fix: conform-nvim option change

config/lsp/conform.nix

@@ -1,26 +1,35 @@
-{ helpers, pkgs, ... }: {
+{ helpers, pkgs, ... }:
+{
   plugins.conform-nvim = {
     enable = true;
-    formatAfterSave = ''
-      {
-        format_after_save = {
-          lsp_format = "fallback",
-        },
-      }
-    '';
-    formattersByFt = {
-      python = [ "black" ];
-      c = [ "clang-format" ];
-      cpp = [ "clang-format" ];
-      cmake = [ "cmake_format" ];
-      nix = [ "nixfmt" ];
-      # Standalone scalafmt is too slow, so we use it as a fallback
-      scala = helpers.mkRaw ''
-        { scalafmt, lsp_format = "prefer" }
+    settings = {
+      format_after_save = ''
+        function(bufnr)
+          if vim.g.disable_autoformat or vim.b[bufnr].disable_autoformat then
+            return
+          end
+
+          if not slow_format_filetypes[vim.bo[bufnr].filetype] then
+            return
+          end
+
+          return { lsp_fallback = true }
+        end
       '';
-      toml = [ "taplo" ];
-      yaml = [ "yq" ];
-      json = [ "jq" ];
+      formatters_by_ft = {
+        python = [ "black" ];
+        c = [ "clang-format" ];
+        cpp = [ "clang-format" ];
+        cmake = [ "cmake_format" ];
+        nix = [ "nixfmt" ];
+        # Standalone scalafmt is too slow, so we use it as a fallback
+        scala = helpers.mkRaw ''
+          { scalafmt, lsp_format = "prefer" }
+        '';
+        toml = [ "taplo" ];
+        yaml = [ "yq" ];
+        json = [ "jq" ];
+      };
     };
   };