fix: Add missing piece metadata types

[PeterC89]

About the Contributor

This PR is posted on behalf of the BBC

Type of Contribution

This is a: Bug fix

Current Behavior

Typings for private / public data were missing in Blueprints integration libs

New Behavior

Typings are now present

Testing Instructions

Other Information

Status

• [X] PR is ready to be reviewed.
• [X] The functionality has been tested by the author.
• [ ] Relevant unit tests has been added / updated.
• [ ] Relevant documentation (code comments, system documentation) has been added / updated.

[codecov[bot]]

Codecov Report

Attention: 149 lines in your changes are missing coverage. Please review.

Comparison is base (3ad0c73) 57.74% compared to head (e6af48d) 57.93%. Report is 29 commits behind head on release51.

Files	Patch %	Lines
meteor/server/migration/1_50_0.ts	28.91%	59 Missing :warning:
...ations/packageManager/expectedPackages/generate.ts	0.00%	29 Missing :warning:
...job-worker/src/blueprints/context/OnTakeContext.ts	82.66%	26 Missing :warning:
...text/services/PartAndPieceInstanceActionService.ts	97.78%	12 Missing :warning:
meteor/server/publications/rundown.ts	0.00%	7 Missing :warning:
...ns/pieceContentStatusUI/rundown/regenerateItems.ts	0.00%	5 Missing :warning:
...s/server-core-integration/src/lib/subscriptions.ts	16.66%	5 Missing :warning:
...orker/src/blueprints/context/OnSetAsNextContext.ts	96.61%	4 Missing :warning:
.../job-worker/src/blueprints/context/adlibActions.ts	95.34%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release51 #1133 +/- ## ============================================= + Coverage 57.74% 57.93% +0.18% ============================================= Files 512 517 +5 Lines 82571 83162 +591 Branches 4307 4350 +43 ============================================= + Hits 47679 48178 +499 - Misses 34841 34930 +89 - Partials 51 54 +3 ```

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