fix support for vala completions (lsp-mode, company-lsp)

init.el

@@ -672,7 +672,8 @@ inserted between the braces between the braces."
 ;;; Language server with Vala support
 ;;; ---------------------------------
 
-(use-package lsp
+(use-package lsp-mode
+  :commands lsp
   :config
   (add-to-list 'lsp-language-id-configuration '(vala-mode . "vala"))
   (lsp-register-client
@@ -680,6 +681,9 @@ inserted between the braces between the braces."
                     :major-modes '(vala-mode)
                     :server-id 'vala-ls)))
 
+(use-package company-lsp
+  :defer)
+
 
 ;;; Meson build system
 ;;; ------------------