Fix publish job using newest barnard59

[tpluscode]

I found that the publish job had issues when it tried to update the status in case of cube validation failure. Turned out that the cause was invalid SPARQL where the cube-link validation shapes were serialized as invalid prefixed names like cube:shape/standalone-constraint-constraint#PropertyWithName, lacking the escaping of slash and hash.

While I was on it, I simplified the loadCube.ts. Can't remember anymore why there was that PassThrough. It appears redundant now

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Latest commit: 7dec0568e9cf21cf33b664b15db2970066eca78c

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 73.57%. Comparing base (a7c3681) to head (7dec056).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1518 +/- ## ========================================== - Coverage 73.59% 73.57% -0.02% ========================================== Files 219 219 Lines 14726 14712 -14 Branches 839 838 -1 ========================================== - Hits 10837 10825 -12 + Misses 3880 3878 -2 Partials 9 9 ```

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