Fix a race condition when launching the same backend concurrently from two clients. - #886
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…m two clients. Merging PR#880 introduced a regression bug in the rust backend manager. When two clients try to connect to the same backend and it hasn't been launched, the backend process might run twice. The CL solves the issue along with minor refactor to improve code readability.
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PR#880 by @omni624562 introduced a small regression bug in the rust backend manager. When two clients try to connect to the same backend and it hasn't been launched, the backend process might run twice. The PR solves the issue along with minor refactor to improve code readability.