[wasm][mt] Debugger test is using blocking calls in JS interop thread

[radekdoulik]

This can lead to deadlocks and should be avoided.

More context: #97052 (comment)

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Issue Details

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This can lead to deadlocks and should be avoided.

More context: #97052 (comment)

Author:	radekdoulik
Assignees:	-
Labels:	arch-wasm, area-VM-threading-mono, os-browser
Milestone:	9.0.0