fix (graphql-middleware): Client can't send new graphql queries after a while

[gustavotrott]

No description provided.

[TiagoJacobs]

maybe instead of not breaking, you will want to avoid writing to the channel after the sessionToken is received?

[sonarcloud]

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0 Bugs
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0.0% Duplication

[gustavotrott]

maybe instead of not breaking, you will want to avoid writing to the channel after the sessionToken is received?

Thanks for the suggestion, it was not possible to use sessionToken as condition at that point.
But as we talked later, I created a wrapper around the channel that uses a mutex to coordinate between sending and closing.
This way the reader is able to close the channel and the writer stops sending new msgs to it.
The code is much better now.

[github-actions]

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