Reschedule to avoid crash

GitLab: #1258

Fix a crash when calling goToHome when currently executing a fragment transaction.

Change-Id: I90a3c831692707f8c1c94bf84a596567d0aaf05d

jami-android/app/src/main/java/cx/ring/fragments/ConversationFragment.kt

@@ -989,7 +989,8 @@ class ConversationFragment : BaseSupportFragment<ConversationPresenter, Conversa
         if (activity is ConversationActivity) {
             requireActivity().finish()
         } else {
-            requireActivity().onBackPressedDispatcher.onBackPressed()
+            // Post because we might be currently executing a fragment transaction
+            view?.post { activity?.onBackPressedDispatcher?.onBackPressed() }
         }
     }