Performance: Avoid calling allSummaryCases

allSummaryCases() is potentially a heavy CPU call for large ensembles. Always show the curve calculator button.

ApplicationLibCode/Commands/SummaryPlotCommands/RicShowSummaryCurveCalculatorFeature.cpp

@@ -60,12 +60,7 @@ void RicShowSummaryCurveCalculatorFeature::hideCurveCalculatorDialog()
 //--------------------------------------------------------------------------------------------------
 bool RicShowSummaryCurveCalculatorFeature::isCommandEnabled()
 {
-    RimProject* proj = RimProject::current();
-    if ( !proj ) return false;
-
-    const auto& allSumCases = proj->allSummaryCases();
-
-    return !allSumCases.empty();
+    return true;
 }
 
 //--------------------------------------------------------------------------------------------------