[TaskManager] Release "not started" semaphore on waitForFinished #58799
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If not, several call to waitForFinished would be blocking
troopa81
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nyalldawson
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Sep 20, 2024
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If not, several call to waitForFinished would be blocking
I stumbled on this while working on #58798. It is not possible to call 2 times the same export when you set a legend filter because the 2 paint() method call would wait for the same HitMapTestTask to finished, and so you end up in a deadlock.
Even though I'm quite confident on the fix, I'd rather not backporting it regarding the criticity of task manager