Multiple bug fixes

【Details of fixes】
■【Mac】Fixed a bug that the thickness of Japanese and European characters may be displayed differently when using some fonts.
■Corrected the output content of the quick tags “heading h4” and “heading h5”.
■Changed the specifications of “Background Color” in TCD Theme > Site Basic Settings > Color Settings.
(Changed from “Background color for pages other than top page” to “Background color is applied to all pages”.
■Social Button Type 5 (official button) “Facebook Like Button” specification change.
■Fixed a bug where the map saturation was set to 0 in the Theme Options > Quick Tags > Google Maps settings, but was output at the same state as -100.
■Updated page builder.
・【Firefox、IE】Fixed a bug that caused unstable display of Google map.
・Fixed an issue with the editor switching in WordPress 5.5 and adjusted the CSS.
・Fixed a bug that the checkbox of the block border was removed when duplicating a block.
・Fixed other minor bugs.
■Fixed a bug that the text size and space set in “Free Space” in “Menu” of custom post type is not reflected.

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

【Modified file】
admin/inc/basic.php
functions.php
functions/custom_editor.php
functions/head.php
functions/short_code.php
languages/ja.mo
languages/ja.po
pagebuilder/assets/admin/css/admin.css
pagebuilder/assets/admin/js/admin.js
pagebuilder/assets/css/pagebuilder.css
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