Multiple bug fixes

【Contents of the fix】
■Corresponded to the specification change of social button type 5 (official button) “Facebook Like Button”.
■Removed “Google+” from the social button settings.
■Page builder has been updated.
・【Firefox, IE】Fixed the problem of Google map display instability.
・Fixed the problem of switching editors 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】
admin/img/share_type1.jpg
admin/img/share_type2.jpg
admin/img/share_type3.jpg
admin/img/share_type4.jpg
admin/img/share_type5.jpg
admin/inc/basic.php
css/sns-botton.css
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
template-parts/sns-btn-btm.php
template-parts/sns-btn-top.php