feat: Make it impossible to clone an OutBroadcast

Cloning wouldn't work, because you can only be added to a broadcast
channel via a QR code

Author: Hocuri

src/main/java/org/thoughtcrime/securesms/ProfileActivity.java

@@ -109,7 +109,7 @@ public boolean onCreateOptionsMenu(Menu menu) {
 
       if (chatId != 0) {
         DcChat dcChat = dcContext.getChat(chatId);
-        menu.findItem(R.id.menu_clone).setVisible(chatIsMultiUser  && !chatIsInBroadcast && !chatIsMailingList);
+        menu.findItem(R.id.menu_clone).setVisible(chatIsMultiUser && !chatIsInBroadcast && !chatIsOutBroadcast && !chatIsMailingList);
         if (chatIsDeviceTalk) {
           menu.findItem(R.id.edit_name).setVisible(false);
           menu.findItem(R.id.show_encr_info).setVisible(false);