trust pending contact if incoming call accepted

If a pending contact is trying to reach us by a call and we accept, it
is then trusted implicitly and thus moved to the "Conversations" list.

Change-Id: Id24e245eeb7bdd002a0a637f4ab450067d2233a0

src/CurrentCallVC.mm

@@ -636,6 +636,14 @@
     if (accountInfo_ == nil)
         return;
 
+    // If we accept a conversation with a non trusted contact, we first accept it
+    auto convIt = getConversationFromUid(convUid_, *accountInfo_->conversationModel.get());
+    if (convIt != accountInfo_->conversationModel->allFilteredConversations().end()) {
+        auto& contact = accountInfo_->contactModel->getContact(convIt->participants[0]);
+        if (contact.profileInfo.type == lrc::api::profile::Type::PENDING)
+            accountInfo_->conversationModel->makePermanent(convUid_);
+    }
+
     auto* callModel = accountInfo_->callModel.get();
 
     callModel->accept(callUid_);