Issue:
feat: add groups for get_role_from_token api

Resolution:
<think>
PR Context:
- Title: feat(roles): Add groups for `get_from_token` api
- Merged: 2024-02-29T10:23:28Z
- Files changed: 4 files
- Commits: 2 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [x] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Get role from token will respond with groups if asked.

### Additional Changes

- [x] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables


</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** feat(roles): Add groups for `get_from_token` api (#3872)
Files to modify:


**crates/api_models/src/events/user_role.rs**
  Modify existing code

**crates/api_models/src/user_role/role.rs**
  Add:
    - enum: pub::GetRoleFromTokenResponse

**crates/router/src/core/user_role/role.rs**
  Add:
    - function: pub::get_role_from_token_with_permissions

**crates/router/src/routes/user_role.rs**
  Modify existing code