[Glitch] Fix modifier key to keep the EmojiPicker on macOS

Port c0b52ac871 to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/features/emoji_picker/index.js

@@ -283,7 +283,7 @@ class EmojiPickerMenu extends React.PureComponent {
     if (!emoji.native) {
       emoji.native = emoji.colons;
     }
-    if (!event.ctrlKey) {
+    if (!(event.ctrlKey || event.metaKey)) {
       this.props.onClose();
     }
     this.props.onPick(emoji);