fix error display for websocket fetchers

[thomasheyenbrock]

Fixes #2534

The issue is caused by the default ws-fetcher which wraps joins multiple error messages and wraps them in a new error.

Open TODOs:

• add changeset
• write some tests for displaying correctly formatted errors in general

[changeset-bot]

🦋 Changeset detected

Latest commit: 37fa61e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@graphiql/toolkit	Patch
@graphiql/react	Patch
graphiql	Patch

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[github-actions]

The latest changes of this PR are available as canary in npm (based on the declared changesets):

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@graphiql/[email protected]
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[codecov]

Codecov Report

Merging #2535 (37fa61e) into main (2d91916) will increase coverage by 3.82%.
The diff coverage is 23.84%.

@@            Coverage Diff             @@
##             main    #2535      +/-   ##
==========================================
+ Coverage   65.70%   69.52%   +3.82%     
==========================================
  Files          85       71      -14     
  Lines        5106     4204     -902     
  Branches     1631     1410     -221     
==========================================
- Hits         3355     2923     -432     
+ Misses       1747     1276     -471     
- Partials        4        5       +1     

Impacted Files	Coverage Δ
packages/codemirror-graphql/src/lint.ts	100.00% <ø> (ø)
packages/codemirror-graphql/src/results/mode.ts	47.05% <ø> (ø)
packages/codemirror-graphql/src/utils/hintList.ts	95.65% <ø> (ø)
...ckages/codemirror-graphql/src/utils/mode-indent.ts	0.00% <0.00%> (ø)
packages/codemirror-graphql/src/variables/mode.ts	79.48% <ø> (ø)
packages/graphiql-react/src/editor/whitespace.ts	100.00% <ø> (ø)
packages/graphiql-react/src/utility/debounce.ts	0.00% <0.00%> (ø)
packages/graphiql-react/src/editor/tabs.ts	5.66% <5.66%> (ø)
packages/codemirror-graphql/src/variables/lint.ts	47.61% <66.66%> (+0.63%)	⬆️
packages/codemirror-graphql/src/hint.ts	94.73% <100.00%> (ø)
... and 99 more

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[acao]

yeah i think this is a longtime issue, maybe not a regression, so feel free to fix it in 2.0.0. will take a look at this later today!

[thomasheyenbrock]

We could also fix that with a new patch in v1 as we decided not to do the prereleases and this does not contain breaking changes 😉

[acao]

ah yes of course! i was hoping to make it easier on you but that's exactly what we agreed to isn't it, i forgot we have a path for this now! so nice to have, looking forward to using pre-release more often

it looks like there is a new cypress failure here, are you familar with this one?

https://github.com/graphql/graphiql/runs/7176376103?check_suite_focus=true#step:8:412

[acao]

Looks good! I approved, just need to fix the e2e suite

[acao]

oh my bad i see the write tests task