Ticket #45944: 45944.patch

src/wp-content/themes/twentynineteen/print.css

@@ -151 +151 @@
     margin-top: 1rem;
   }
   /* Remove image filters from featured image */
-  .image-filters-enabled *:after {
-    display: none !important;
-  }
-  .image-filters-enabled .site-header.featured-image .site-featured-image:before {
+  .image-filters-enabled .entry .post-thumbnail:after,
+  .image-filters-enabled .site-header.featured-image .site-featured-image:before,
+  .image-filters-enabled .site-header.featured-image .site-featured-image:after,
+  .image-filters-enabled .site-header.featured-image:after {
     display: none;
   }
+  .image-filters-enabled .entry .post-thumbnail .post-thumbnail-inner,
   .image-filters-enabled .site-header.featured-image .site-featured-image .post-thumbnail img {
     filter: none;
   }

src/wp-content/themes/twentynineteen/print.scss

@@ -183 +183 @@
   /* Remove image filters from featured image */
   .image-filters-enabled {
 
-    *:after {
-      display: none !important;
-    }
-
-    .site-header.featured-image .site-featured-image:before {
+    .entry .post-thumbnail:after,
+    .site-header.featured-image .site-featured-image:before,
+    .site-header.featured-image .site-featured-image:after,
+    .site-header.featured-image:after {
       display: none;
     }
 
+    .entry .post-thumbnail .post-thumbnail-inner,
     .site-header.featured-image .site-featured-image .post-thumbnail img {
       filter: none;
     }