added emoji zoom for picker

src/components/emoji_picker/emoji_picker.scss

@@ -10,6 +10,20 @@
   margin: 0 !important;
   z-index: 1;
 
+  .zoom-portal {
+    position: fixed;
+    pointer-events: none;
+    width: 96px;
+    height: 96px;
+    font-size: 96px;
+    line-height: 96px;
+    z-index: 10;
+    img {
+      width: 100%;
+      height: 100%;
+    }
+  }
+
   .spam-mode {
     padding: 7px;
     line-height: normal;
@@ -135,6 +149,10 @@
 
       cursor: pointer;
 
+      &:hover {
+        opacity: 0
+      }
+
       img {
         max-width: 100%;
         max-height: 100%;