#13609 Fix ensemble cross-plot curve appearance not responding to changes

Apply custom appearance settings (line style, symbol, symbol size) to
existing realization curves when the data hash is unchanged. Previously
these settings were only applied during curve creation.

ApplicationLibCode/ProjectDataModel/Summary/RimEnsembleCurveSet.cpp

@@ -2167,6 +2167,13 @@ void RimEnsembleCurveSet::updateEnsembleCurves( const std::vector<RimSummaryCase
                     c->setCheckState( true );
                     bool updatePlot = false;
                     c->updateCurveVisibility( updatePlot );
+
+                    if ( m_useCustomAppearance() == RimCurveAppearanceDefines::AppearanceMode::CUSTOM )
+                    {
+                        c->setLineStyle( m_lineStyle() );
+                        c->setSymbol( m_pointSymbol() );
+                        c->setSymbolSize( m_symbolSize() );
+                    }
                 }
             }