text: Title: Add support for sublabel attributes as frame filter criteria in annotation view
  Body: ### Actions before raising this issue
  
  - [x] I searched the existing issues and did not find anything similar.
  - [x] I read/searched [the docs](https://docs.cvat.ai/docs/)
  
  ### Is your feature request related to a problem? Please describe.
  
  1. Create a task with a skeleton label having several points, define an attribute for some points
  2. Open a job
  3. Try to create a frame filter with skeleton point attributes in the condition
  
  ![Image](https://github.com/user-attachments/assets/a09fbec0-c08c-4008-b402-244a898a1642)
  
  
  <details>
  
  Label definitions from the task
  
  ```json
  [
    {
      "name": "test",
      "id": 79,
      "color": "#fb117d",
      "type": "skeleton",
      "sublabels": [
        {
          "name": "1",
          "attributes": [
            {
              "name": "1.a1",
              "mutable": false,
              "input_type": "select",
              "default_value": "a",
              "values": [
                "a",
                "b"
              ],
              "id": 65
            }
          ],
          "type": "points",
          "color": "#d12345",
          "id": 80
        },
        {
          "name": "2",
          "attributes": [
            {
              "name": "2.a1",
              "mutable": true,
              "input_type": "checkbox",
              "default_value": "false",
              "values": [
                "false"
              ],
              "id": 66
            }
          ],
          "type": "points",
          "color": "#350dea",
          "id": 81
        }
      ],
      "svg": "<line x1=&quot;35.7943229675293&quot; y1=&quot;25.3843994140625&quot; x2=&quot;45.1568717956543&quot; y2=&quot;35.145355224609375&quot; data-type=&quot;edge&quot; data-node-from=&quot;1&quot; data-node-to=&quot;2&quot;></line>\n<circle r=&quot;0.75&quot; cx=&quot;35.7943229675293&quot; cy=&quot;25.3843994140625&quot; data-type=&quot;element node&quot; data-element-id=&quot;1&quot; data-node-id=&quot;1&quot; data-label-id=&quot;80&quot;></circle>\n<circle r=&quot;0.75&quot; cx=&quot;45.1568717956543&quot; cy=&quot;35.145355224609375&quot; data-type=&quot;element node&quot; data-element-id=&quot;2&quot; data-node-id=&quot;2&quot; data-label-id=&quot;81&quot;></circle>",
      "attributes": []
    }
  ]
  ```
  
  </details>
  
  ### Describe the solution you'd like
  
  There is already a filter for root label attributes. Sub-labels should also have an option to be used as a filter criteria.
  
  ### Describe alternatives you've considered
  
  _No response_
  
  ### Additional context
  
  _No response_