исправление бага -- при первоначальной загрузке .webp изображения на сервер, выборе его и клике по кнопке "Вставить файл" могло не происходить никаких действий

.htaccess

@@ -89,7 +89,7 @@ Options -Indexes +FollowSymLinks
 	Header set X-UA-Compatible "IE=edge"
 	# `mod_headers` cannot match based on the content-type, however, this
 	# header should be send only for HTML pages and not for the other resources
-	<FilesMatch "\.(appcache|atom|crx|css|cur|eot|f4[abpv]|flv|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|tt[cf]|vcf|vtt|webapp|web[mp]|woff|xml|xpi)$">
+	<FilesMatch "\.(appcache|atom|crx|css|cur|eot|f4[abpv]|flv|gif|webp|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|tt[cf]|vcf|vtt|webapp|web[mp]|woff|xml|xpi)$">
 		Header unset X-UA-Compatible
 	</FilesMatch>
 </IfModule>
@@ -217,7 +217,7 @@ AddDefaultCharset utf-8
 	ExpiresByType image/gif								"access plus 1 month"
 	ExpiresByType image/jpeg							"access plus 1 month"
 	ExpiresByType image/png								"access plus 1 month"
-	ExpiresByType image/webp								"access plus 1 month"	
+	ExpiresByType image/webp							"access plus 1 month"	
 	ExpiresByType video/mp4								"access plus 1 month"
 	ExpiresByType video/ogg								"access plus 1 month"
 	ExpiresByType video/webm							"access plus 1 month"