Replace assert by map_grow

It will make code prepared for situation when number of solvables
is increased after query is created and applied.

The issue can be easilly triggered by adding remote RPMs therefore
the patch fixes a standard situation

Resolves: https://issues.redhat.com/browse/RHEL-27657

libdnf/sack/query.cpp

@@ -2313,7 +2313,7 @@ Query::Impl::apply()
     if (!result)
         initResult();
     map_init(&m, pool->nsolvables);
-    assert(m.size == result->getMap()->size);
+    map_grow(result->getMap(), pool->nsolvables);
     for (auto f : filters) {
         map_empty(&m);
         switch (f.getKeyname()) {