Backport: Fix external references not being updated via `POST /v1/component`

[nscuro]

Description

Fixes external references not being updated via POST /v1/component.

Addressed Issue

Fixes #3769 Backports #3805

Additional Details

N/A

Checklist

• [x] I have read and understand the contributing guidelines
• [x] This PR fixes a defect, and I have provided tests to verify that the fix is effective
• ~This PR implements an enhancement, and I have provided tests to verify that it works as intended~
• ~This PR introduces changes to the database model, and I have added corresponding update logic~
• ~This PR introduces new or alters existing behavior, and I have updated the documentation accordingly~

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.00% (target: -1.00%)	:white_check_mark: 100.00% (target: 70.00%)

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (0ac7c6522d133875a5bc010376f790be72b67747) | 22060 | 16812 | 76.21% | | | Head commit (d32afdcdda40340caa0c58f0863ed997f08f2655) | 22062 (+2) | 16814 (+2) | 76.21% (**+0.00%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#3867) | 2 | 2 | **100.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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