Description of problem:
Managed-Tenant-Quota does not help with increasing quotas for VM that set the memory lmits automatically (using Kubevirt featureGate: `AutoResourceLimitsGate`)

The POD has memory requests and limits:

> $ oc get pod virt-launcher-vm-fedora-guest-memory-96ck7 -o json | jq .spec.containers[0].resources
> {
> "limits":

{ > "memory": "2536Mi" > }

,
> "requests":

{ > "memory": "1268Mi" > }

> }

And VMMRQ is big enough:

> $ oc get vmmrq my-vmmrq-big -o json | jq .spec
> {
> "additionalMigrationResources":

{ > "limits.memory": "5Gi", > "requests.memory": "5Gi" > }

> }

But migration is still in Pending state:

> $ oc get vmim
> NAME PHASE VMI
> kubevirt-migrate-vm-dcrvp Pending vm-fedora-guest-memory

Version-Release number of selected component (if applicable):
4.14

How reproducible:
100%

Steps to Reproduce:
1. enable FG in kubevirt: AutoResourceLimitsGate
2. create VM with memory guest (without limits)
3. create resourcequota
4. create vmmrq
5. migrate VM

Actual results:
Migration is in Pending state

Expected results:
Migration completed

Additional info:

Perhaps, this issue related to bug 2241953