[vim] iferr ,ife and better previews when searching files

.vim/nvim.lua

@@ -423,6 +423,8 @@ require('telescope').setup {
         ["ff"] = require('telescope.actions').send_to_qflist,
       },
     },
+    path_display = { "smart", "shorten" },
+    dynamic_preview_title = true,
   },
   pickers = {
     goimpl = {