fix(xo-server): do not count snapshots in self quotas (#2682)

Fixes #2626

packages/xo-server/src/api/vm.js

@@ -356,8 +356,10 @@ async function delete_ ({
   )
 
   // Update resource sets
-  const resourceSet = xapi.xo.getData(vm._xapiId, 'resourceSet')
-  if (resourceSet != null) {
+  if (
+    vm.type === 'VM' && // only regular VMs
+    xapi.xo.getData(vm._xapiId, 'resourceSet') != null
+  ) {
     ;this.setVmResourceSet(vm._xapiId, null)::ignoreErrors()
   }
 

packages/xo-server/src/xo-mixins/resource-sets.js

@@ -335,6 +335,7 @@ export default class {
         let set
         if (
           object.$type !== 'vm' ||
+          object.is_a_snapshot ||
           // No set for this VM.
           !(id = xapi.xo.getData(object, 'resourceSet')) ||
           // Not our set.