Multiple bug fixes

【Contents of the fix】
■Corresponded to the specification change of the social button type 5 (official button) “Facebook Like Button”.
■Changed the setting range of the angle in the header settings of fixed pages.
(You can set the angle from 1 to 180 degrees; if you want to set the angle to 0 degrees, set it to 180 degrees.)
■Update the page builder.
・【Firefox、IE】Fixed the problem of Google map display instability.
・Fixed the problem of switching editors and adjusted CSS in WordPress 5.5.
・Fixed other minor bugs.
■Fixed a bug that the right ruled line was not displayed when the number of team members displayed on the top page was set to 3.
■Fixed an issue where a blank space is displayed under the top page header content (video) when the footer bar is displayed when viewing on a smartphone.

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

【Modified file】
functions/page_cf.php
js/footer-bar.js
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