fix: picker config (#1094)

lua/telescope/builtin/init.lua

@@ -383,6 +383,9 @@ builtin.lsp_workspace_diagnostics = require("telescope.builtin.lsp").workspace_d
 local apply_config = function(mod)
   local pickers_conf = require("telescope.config").pickers
   for k, v in pairs(mod) do
+    mod[k] = function(opts)
+      opts = opts or {}
+
       local pconf = vim.deepcopy(pickers_conf[k] or {})
       if pconf.theme then
         local theme = pconf.theme
@@ -401,8 +404,7 @@ local apply_config = function(mod)
           return true
         end
       end
-    mod[k] = function(opts)
-      opts = opts or {}
+
       if pconf.attach_mappings and opts.attach_mappings then
         local attach_mappings = pconf.attach_mappings
         pconf.attach_mappings = nil