Allowing Only Some Blocks and Disabling the Rest, Hiding/Disabling Blocks in the Block Editor

add_filter('allowed_block_types_all', 'enable_selected_core_blocks', 10, 2);

function enable_selected_core_blocks($allowed_blocks, $post) {
    // List of core block types to enable
    $core_blocks_to_enable = [
        'core/paragraph', 'core/image', 'core/heading', 'core/quote', 'core/list'
    ];

    return $core_blocks_to_enable;
}