## Type of change
<!-- (mark with an `X`) -->
```
- [ ] Bug fix
- [ ] New feature development
- [x] Tech debt (refactoring, code cleanup, dependency upgrades, etc)
- [ ] Build/deploy pipeline (DevOps)
- [ ] Other
```
## Objective
<!--Describe what the purpose of this PR is. For example: what bug you're fixing or what new feature you're adding-->
Final Client changes for Key Rotation Improvements.
- Introduces a new `KeyRotationService` that is responsible for owning rotation process.
- Moves `Send` re-encryption to the `SendService` (`KeyRotationService` shouldn't have knowledge about how domains are encrypted).
- Moves `EmergencyAccess` re-encryption to the `EmergencyAccessService`.
- Renames `AccountRecoveryService` to `OrganizationUserResetPasswordService` after feedback from Admin Console
## Code changes
<!--Explain the changes you've made to each file or major component. This should help the reviewer understand your changes-->
<!--Also refer to any related changes or PRs in other repositories-->
Auth
- **emergency-access-update.request.ts:** New request model for domain updates that includes Id
- **emergency-access.service.ts:** Moved `EmergencyAccess` re-encryption to the `EmergencyAccessService`. Add deprecated method for legacy key rotations if feature flag is off
- **key-rotation.service/api/spec/module:** New key rotation service for owning the rotation process. Added api service, module, and spec file.
- **update-key.request.ts:** Moved to Auth ownership. Also added new properties for including other domains.
- **migrate-legacy-encryption.component.ts:** Use new key rotation service instead of old component specific service. Delete old service.
- **change-password.component.ts:** Use new key rotation service.
- **settings.module.ts:** Import key rotation module.
Admin Console
- **organization-user-reset-password.service.ts/spec:** Responsible for re-encryption of reset password keys during key rotation. Added tests.
- **organization-user-reset-password-enrollment.request.ts:** New request model for key rotations
- **reset-password.component.ts:** Update `AccountRecoveryService` to `OrganizationUserResetPasswordService`
- **enroll-master-password-reset.component.ts:** Update `AccountRecoveryService` to `OrganizationUserResetPasswordService`
Tools
- **send.service/spec.ts:** Responsible only for re-encryption of sends during key rotation. Added tests.
Other
- **api.service.ts:** Move `postAccountKey` to `KeyRotationApiService`
- **feature-flag.enum.ts:** add new feature flag
## Screenshots
<!--Required for any UI changes. Delete if not applicable-->
## Before you submit
- Please add **unit tests** where it makes sense to do so (encouraged but not required)
- If this change requires a **documentation update** - notify the documentation team
- If this change has particular **deployment requirements** - notify the DevOps team
- Ensure that all UI additions follow [WCAG AA requirements](https://contributing.bitwarden.com/contributing/accessibility/)
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