Ecospace throws an exception if Ecosim Reset all has been clicked

[joeb]

1. Load a model with more Ecosim time steps than Ecospace time steps.
2. Run Ecosim and Ecospace.
3. Alter the Ecosim fishing effort.
4. Run Ecospace.
5. Click the Ecosim Reset all button, to clear the fishing effort changes.
6. Run Ecospace

RunEcospace?.ClearResults?() will throw an exception when trying to clear m_RelBiomassResults(,). nEcospaceTimeSteps will be equal to the number of Ecosim time steps not the original number of Ecospace time steps from the last run. nEcospaceTimeSteps must have gotten changed by the core but the interface never update m_RelBiomassResults()