message: fixed vm name regexp
diff: type="text"
  [label]="'VM_CREATION_FORM.NAME' | translate"
  name="name"
  - pattern="^[a-zA-Z]{1}[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]{0,1}$"
  + pattern="^[a-zA-Z]{1}[a-zA-Z0-9\-]{0,61}[a-zA-Z0-9]$"
  [error-msg]="(takenName ? 'THIS_NAME_IS_TAKEN' : '') | translate"
  #vmname="ngModel"
  [(ngModel)]="vmCreationData.vm.displayName"
  