create: Make sure domain status is up2date before install

Seems we can miss sometimes that guest is already running

src/virtManager/create.py

@@ -1797,6 +1797,7 @@ class vmmCreate(vmmGObjectUI):
         # Make sure we pick up the domain object
         self.conn.tick(noStatsUpdate=True)
         vm = self.conn.get_vm(guest.uuid)
+        vm.tick()
 
         if vm.is_shutoff():
             # Domain is already shutdown, but no error was raised.

src/virtManager/domain.py

@@ -1493,10 +1493,13 @@ class vmmDomain(vmmLibvirtObject):
 
         return rd, wr
 
-    def tick(self, now):
+    def tick(self, now=None):
         if self.conn.get_state() != self.conn.STATE_ACTIVE:
             return
 
+        if now is None:
+            now = time.time()
+
         # Invalidate cached values
         self._invalidate_xml()