MC-15812: 5px of Empty Space On Bottom of Video Content Type

- fix empty video height

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/video/_default.less

@@ -22,7 +22,7 @@
 
     div[data-content-type='video'],
     .pagebuilder-video {
-        line-height: 0;
+        font-size: 0;
 
         .pagebuilder-video-inner {
             box-sizing: border-box;

app/code/Magento/PageBuilder/view/frontend/web/css/source/content-type/video/_default.less

@@ -8,7 +8,7 @@
 //  _____________________________________________
 
 div[data-content-type='video'] {
-    line-height: 0;
+    font-size: 0;
 
     .pagebuilder-video-inner {
         box-sizing: border-box;