10214 ensemble appearance

* Regression Analysis: Use only positive values for Power Fit regression.

* Add visible tag short cut for changning curve color.
* #10214 Ensemble Curve Set: Fix color mode text.
* #10214 Ensemble: Switch P10 and P90 symbols to point towards mean.
* Cache hit rects for tree item tags.
* #10214 Ensemble curve set: allow reordering with tree view tag
* #10214 Keep curve legend text when ensemble curves are hidden

ApplicationLibCode/ProjectDataModel/RimPlotCurve.h

@@ -185,6 +185,10 @@ protected:
 
     virtual void updateAxisInPlot( RiuPlotAxis plotAxis );
 
+    void defineObjectEditorAttribute( QString uiConfigName, caf::PdmUiEditorAttribute* attribute ) override;
+
+    void onColorTagClicked( const SignalEmitter* emitter, size_t index );
+
 private:
     bool isCurveNameTemplateSupported() const;