fix: generate project tags without opts param

Author: mrcjkb

lua/haskell-tools/tags.lua

@@ -19,7 +19,7 @@ local function setup_fast_tags(config)
   -- for the project (default: true)
   function M.generate_project_tags(path, opts)
     path = path or vim.api.nvim_buf_get_name(0)
-    vim.tbl_extend('force', { refresh = true }, opts or {})
+    opts = vim.tbl_extend('force', { refresh = true }, opts or {})
     local project_root = project_util.match_project_root(path) or vim.fn.getcwd()
     if opts.refresh == false and _state.projects[project_root] then
       -- project tags already generated