[libcontacts] Ensure models are marked as populated

With no contacts, mark as populated from query completion.  If contacts
are queued for appending, exhaustion of the append queue results in
population marking.

src/seasidecache.cpp

@@ -2483,6 +2483,12 @@ void SeasideCache::requestStateChanged(QContactAbstractRequest::State state)
             m_populateProgress = FetchFavorites;
             activityCompleted = false;
         } else if (m_populateProgress == FetchFavorites) {
+            if (m_contactsToAppend.find(FilterFavorites) == m_contactsToAppend.end()) {
+                // No pending contacts, the models are now populated
+                makePopulated(FilterFavorites);
+                qDebug() << "Favorites queried in" << m_timer.elapsed() << "ms";
+            }
+
             // Next, query for all contacts (except favorites)
             // Request the metadata of all contacts (only data from the primary table)
             m_fetchRequest.setFilter(allFilter());
@@ -2495,6 +2501,12 @@ void SeasideCache::requestStateChanged(QContactAbstractRequest::State state)
             m_populateProgress = FetchMetadata;
             activityCompleted = false;
         } else if (m_populateProgress == FetchMetadata) {
+            if (m_contactsToAppend.find(FilterAll) == m_contactsToAppend.end()) {
+                makePopulated(FilterNone);
+                makePopulated(FilterAll);
+                qDebug() << "All queried in" << m_timer.elapsed() << "ms";
+            }
+
             // Now query for online contacts
             m_fetchRequest.setFilter(onlineFilter());
             m_fetchRequest.setFetchHint(onlineFetchHint(m_fetchTypes));
@@ -2505,6 +2517,11 @@ void SeasideCache::requestStateChanged(QContactAbstractRequest::State state)
             m_populateProgress = FetchOnline;
             activityCompleted = false;
         } else if (m_populateProgress == FetchOnline) {
+            if (m_contactsToAppend.find(FilterOnline) == m_contactsToAppend.end()) {
+                makePopulated(FilterOnline);
+                qDebug() << "Online queried in" << m_timer.elapsed() << "ms";
+            }
+
             m_populateProgress = Populated;
         } else if (m_populateProgress == RefetchFavorites) {
             // Re-fetch the non-favorites