Revert "use okay query for restoring preferences"

        <div>

            <p>{{ _('Search URL of the currently saved preferences') }} <small class="text-muted">({{ _('Note: specifying custom settings in the search URL can reduce privacy by leaking data to the clicked result sites.') }})</small>:<br/> </p>

            <input readonly="" class="input-current-preferences select-all-on-click block" type="url" value="{{ url_for('index', _external=True) }}?preferences={{ preferences_url_params|e }}{% raw %}&amp;q=okay{% endraw %}">

            <input readonly="" class="input-current-preferences select-all-on-click block" type="url" value="{{ url_for('index', _external=True) }}?preferences={{ preferences_url_params|e }}{% raw %}&amp;q=%s{% endraw %}">

        </div>

        <section id="action_buttons">