Bug 1862519 - Init IMServices.core before trying to add chat details to troubleshooting info. r=freaktechnik

Differential Revision: https://phabricator.services.mozilla.com/D192513

--HG--
extra : rebase_source : db2ad455dea1d05a8e5de418c5b1a87908df6681
extra : amend_source : bd04b0b39e109f61f34ad271d5d0862a1d3bbb76

mail/components/about-support/content/chat.js

@@ -50,6 +50,7 @@ function populateChatSection() {
     );
   };
 
+  IMServices.core.init();
   const chatAccounts = IMServices.accounts.getAccounts();
   if (!chatAccounts.length) {
     return;