Fix deadlock when using multiple connectors #18705
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cs.RegisterChargepointruft am Anfangcs.mu.Lock()auf und gibt den lock erst nachwieder frei. Bei mehreren Connectors wartet der zweite auf
reg.setup.Lock()bevor es weiter geht. Gleichzeitig bleibtcs.mu.Lock()gelockt. Wenn sich nun der charge point connected, wirdcs.NewChargePointaufgerufen, dort wird ebenfallscs.mu.Lock()aufgerufen und evcc bleibt erstmal stehen, bis das connect timeout abläuft.Dieser PR behebt den Deadlock.