fix: Don't fail if we can't save undo info

lua/telescope/pickers.lua

@@ -593,6 +593,7 @@ function Picker:set_selection(row)
     return
   end
 
+  local set_ok, set_errmsg = pcall(function()
     -- Handle adding '> ' to beginning of selections
     if self._selection_row then
       local old_selection = a.nvim_buf_get_lines(results_bufnr, self._selection_row, self._selection_row + 1, false)[1]
@@ -613,6 +614,12 @@ function Picker:set_selection(row)
       0,
       -1
     )
+  end)
+
+  if not set_ok then
+    log.debug(set_errmsg)
+    return
+  end
 
   -- if self._match_id then
   --   -- vim.fn.matchdelete(self._match_id)