qemu: On attach to live XML check for user alias collision only live XML

When attaching a device to live XML we don't care (well,
shouldn't care) that there's already a device in inactive XML
that has the same user alias.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_driver.c

@@ -8663,7 +8663,8 @@ qemuDomainAttachDeviceLiveAndConfig(virDomainObjPtr vm,
                                                 driver->xmlopt, parse_flags)))
             goto cleanup;
 
-        if (virDomainDeviceValidateAliasForHotplug(vm, devLive, flags) < 0)
+        if (virDomainDeviceValidateAliasForHotplug(vm, devLive,
+                                                   VIR_DOMAIN_AFFECT_LIVE) < 0)
             goto cleanup;
 
         if (virDomainDefCompatibleDevice(vm->def, devLive, NULL,