* MM-19628: Fix race in (*registeredPlugin).State access
We used a pointer to an integer in the State variable, and therefore
setting a pointer value directly caused a race condition.
Since the registeredPlugin is a private struct, changing it to a normal int
creates fewer pointers and lets us to fix the race condition by simply setting
the integer value and then doing a registeredPlugins.Store.
The alternative to keeping the pointer would be to create a copy of each
member of a registeredPlugin and do a store again, which I feel is a roundabout
way to achieve this.
* Address review comments
Co-authored-by: mattermod <mattermod@users.noreply.github.com>
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