fix: play embed videos on Lesson Form

Author: pateljannat

frontend/src/pages/LessonForm.vue

@@ -714,17 +714,6 @@ iframe {
 	width: 100%;
 }
 
-.cdx-block.embed-tool::after {
-	content: '';
-	position: absolute;
-	top: 0;
-	left: 0;
-	width: 100%;
-	height: 100%;
-	background: transparent;
-	z-index: 1000;
-}
-
 :root {
 	--plyr-range-fill-background: white;
 	--plyr-video-control-background-hover: transparent;