ui: fix deploy vm in basic zone (apache#5856)

* ui: fix deploy vm in basic zone

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

ui/src/views/compute/DeployVM.vue

@@ -1542,7 +1542,7 @@ export default {
       return key.split('.').join('\\002E')
     },
     updateSecurityGroups (securitygroupids) {
-      this.securitygroupids = securitygroupids
+      this.securitygroupids = securitygroupids || []
     },
     getText (option) {
       return _.get(option, 'displaytext', _.get(option, 'name'))