Emoji picker hover fix (#25530)

webapp/channels/src/sass/components/_emoticons.scss

@@ -546,7 +546,8 @@ $emoji-footer-height:  $emoji-footer-border-width + $emoji-half-height + $emoji-
         background-color: rgba(var(--center-channel-color-rgb), 0.16);
 
         img {
-            transform: scale(1.35);
+            -moz-transform: scale(0.45);
+            zoom: 0.45;
         }
     }
 
@@ -560,7 +561,6 @@ $emoji-footer-height:  $emoji-footer-border-width + $emoji-half-height + $emoji-
 
     img {
         position: relative;
-        transform: scale(1);
         transition: transform 0.2s ease-in-out;
 
         &.emoji-category--custom {
@@ -570,7 +570,6 @@ $emoji-footer-height:  $emoji-footer-border-width + $emoji-half-height + $emoji-
             max-width: 22px;
             height: auto;
             max-height: 22px;
-            transform: scale(1);
         }
     }
 }