language/yaml: call default_on_attach in helm version

docs/release-notes/rl-0.8.md

@@ -291,6 +291,8 @@
   `null` value to disable them if conform is enabled.
 - Fix Helm-YAML language module integration. YAML diagnostics will now remain in
   `helmfile`s when both are enabled.
+- Fix YAML language module not activating LSP keybinds if the Helm language
+  module was also enabled.
 
 [TheColorman](https://github.com/TheColorman):
 

modules/plugins/languages/yaml.nix

@@ -19,6 +19,7 @@
     if config.vim.languages.helm.lsp.enable && config.vim.languages.helm.enable
     then ''
       function(client, bufnr)
+        default_on_attach()
         local filetype = vim.bo[bufnr].filetype
         if filetype == "helm" then
           client.stop()