fix(user_roles): migrations for backfilling user_roles entity_id

Backfill entity_id with entity_type in user_roles table to avoid dashboard breaking
<think>
PR Context:
- Title: fix(user_roles): migrations for backfilling user_roles entity_id
- Merged: 2024-12-16T13:36:14Z
- Files changed: 4 files
- Commits: 3 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
This PR ensures that the entity_id is backfilled in the user_roles table, preventing issues for V1 users when switching organizations and logging in.

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies 
</think>

To implement this, you'll need to modify:


(No detailed commit information available)
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