Updating the page builder

【Corrections】
■Page builder update
・【Firefox, IE】Fixed the problem of Google map display instability.
・Fixed the bug of switching editor and adjusted CSS in WordPress 5.5.
・Fixed a bug that the checkbox of the block border was removed when duplicating a block.
・Fixed other minor bugs.

The following are the files that have been modified in this update.

【Modified file】
languages/ja.mo
languages/ja.po
pagebuilder/assets/admin/css/admin.css
pagebuilder/assets/admin/js/admin.js
pagebuilder/modules/googlemap.php
pagebuilder/modules/simple_table.php
pagebuilder/modules/slider.php
pagebuilder/pagebuilder.php
style.css