[UI] New nodes are not displaying after choosing nodes for running custom workflow

[Ekaterina Khomyakova]

Fuel 10 #1338

Steps to reproduce:
  1. Log in to Fuel UI
  2. Create environment with default settings
  3. Add 2 nodes: controller and compute
  4. Create custom workflow on 'Workflows' tab
  5. Go to Dashboard and select 'Deployment Mode': 'Custom Workflow'
  6. Press Choose nodes (there is an arrow on the right side of 'Run Worflow on 2 nodes' button)
  7. Close the modal window
  8. Go to 'Nodes' tab and add node with Controller role

Expected results:
  Node is added and presented in the list of nodes

Actual result:
  Node is added but is not presented in the list of nodes until user doen't refresh the page