[Waiting for user feedback] Submit button and Entire Site option strings not getting translated

<button class="btn btn-primary" type="submit">
    <span class="fa fa-search"></span> <?php _e('Submit', 'custom-search'); ?>
</button>

// Display the search box with category dropdown

function searchbox_cate_dropdown($atts) {
    // Set default attributes
    $atts = shortcode_atts(array(
        'mobile' => false,
    ), $atts);

    ob_start();

    // Get selected category ID from query parameters
    $selected_id = isset($_GET['cat']) ? intval($_GET['cat']) : 0;

    // Create the dropdown for categories
    $select = wp_dropdown_categories(array(
        'show_option_all' => __('Entire Site', 'custom-search'),
        'show_option_none' => '',
        'orderby' => 'ID',
        'order' => 'ASC',
        'show_count' => 0,
        'hide_empty' => 0,
        'child_of' => 0,
        'exclude' => 1,
        'echo' => 0,
        'selected' => $selected_id,
        'hierarchical' => 1,
        'name' => 'cat',
        'class' => 'form-no-clear',
        'depth' => 0,
        'tab_index' => 0,
        'taxonomy' => 'category',
        'hide_if_empty' => true
    ));

    // Generate the search box ID based on mobile attribute
    $searchBoxId = "headerSearchBox" . ($atts['mobile'] ? "Mobile" : "");

    // Output the search form
    ?>
    <div id="<?php echo esc_attr($searchBoxId); ?>">
        <div class="search-box header">
            <form role="search" method="get" class="search-form" action="<?php echo esc_url(home_url('/')); ?>">
                <?php echo $select; ?>
                <input type="text" value="<?php echo esc_attr(isset($_GET['s']) ? $_GET['s'] : ''); ?>"
                       title="<?php _e('Enter Your Search Term', 'custom-search'); ?>" class="form-control" name="s" id="s"
                       placeholder="<?php _e('Search', 'custom-search'); ?>">
                <button class="btn btn-primary" type="submit">
                    <span class="fa fa-search"></span> <?php _e('Submit', 'custom-search'); ?>
                </button>
            </form>
        </div>
    </div>
    <?php

    return ob_get_clean();
}

add_shortcode('searchbox', 'searchbox_cate_dropdown');