fix RecentModel ordering

UsageStatistics::update() was being called before setLastUsed()
in the ContactMethod which resulted in the lastUsedChanged signal
not being emitted and so the RecentModel was not being re-ordered.

Change-Id: I866b213ae97aacd5bd6ef6157fb136a436952b08
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>

src/contactmethod.cpp

@@ -588,6 +588,10 @@ void ContactMethod::addCall(Call* call)
    d_ptr->m_Type = ContactMethod::Type::USED;
    d_ptr->m_lCalls << call;
 
+   // call setLastUsed first so that we emit lastUsedChanged()
+   auto time = call->startTimeStamp();
+   setLastUsed(time);
+
    //Update the contact method statistics
    d_ptr->m_UsageStats.update(call->startTimeStamp(), call->stopTimeStamp());
    if (d_ptr->m_pAccount)
@@ -599,10 +603,8 @@ void ContactMethod::addCall(Call* call)
          d_ptr->m_pAccount->usageStats.setHaveCalled();
    }
 
-   auto time = call->startTimeStamp();
    if (d_ptr->m_pAccount)
        d_ptr->m_pAccount->usageStats.setLastUsed(time);
-   setLastUsed(time);
 
    d_ptr->callAdded(call);
    d_ptr->changed();