add lower hand label

bigbluebutton-html5/imports/ui/components/actions-bar/component.jsx

@@ -86,7 +86,13 @@ class ActionsBar extends PureComponent {
           {
             <Button
               icon="hand"
-              label={intl.formatMessage({ id: 'app.actionsBar.emojiMenu.raiseHandLabel' })}
+              label={intl.formatMessage({
+                id: `app.actionsBar.emojiMenu.${
+                  currentUser.emoji === 'raiseHand'
+                    ? 'lowerHandLabel'
+                    : 'raiseHandLabel'
+                }`,
+              })}
               accessKey={shortcuts.raisehand}
               color="primary"
               hideLabel

bigbluebutton-html5/public/locales/en.json

@@ -407,6 +407,7 @@
     "app.actionsBar.emojiMenu.awayLabel": "Away",
     "app.actionsBar.emojiMenu.awayDesc": "Change your status to away",
     "app.actionsBar.emojiMenu.raiseHandLabel": "Raise hand",
+    "app.actionsBar.emojiMenu.lowerHandLabel": "Lower hand",
     "app.actionsBar.emojiMenu.raiseHandDesc": "Raise your hand to ask a question",
     "app.actionsBar.emojiMenu.neutralLabel": "Undecided",
     "app.actionsBar.emojiMenu.neutralDesc": "Change your status to undecided",