[ci skip] Fix doc for javascript_helper
Correct Bundler link [ci skip]
Merge pull request #15620 from aditya-kapoor/correct-bundler-link

Correct Bundler link [ci skip]
No need to decorate columns twice

We never want result types to override column types, and
`decorate_columns` can only affect column types. No need to go through
the decoration multiple times, we can just exclude the column types from
the result types instead.
Merge pull request #15619 from aditya-kapoor/fix-js-doc

[ci skip] Fix doc for javascript_helper
Merge pull request #15621 from sgrif/sg-column-type-decorations

No need to decorate columns twice
remove deprecated code. Rely on `describe` provided by minitest