Add "Inpaint opposed" to Highlight reconstruction and improved Itcwb (#6635)

* Essai HL

* Try Inpaint opposed

* Code improvment

* Add file

* Improvment to process inpaint opposed  and color propagation

* Clean code

* Change Blend to Coloropp in Profile pp3

* Enable BENCHFUN hilite_recon

* Clean rtengine cmakelist

* Comment unused code

* Neutralise unused code

* Change bad Exposure in Pop2Lab.pp3

* Try to fix bug when Inpaint Opposed is used and White balance disabled

* Changes to refreshmap

* Change to improccoordinator M_RETINEX

* Clean unused commented code

* Force Inpaint-opposed in rawimagesouce if wb change

* Suppressed message in console

* Change events and limits to 1 the number of calls to inpaint-opposed

* Comment code

* Add gain theshold to inpaint opposed

* fixed typo in procparams.cc

* Change in option.cc itcwb_sort to true

* Change itcw sorted in options and rawimagesource.cc

* Change sampling read datas Itcwb

* Allow or not purple in WB itcwb

* Added option icwb.nopurple to bypass settings

* Added code comment Itcwb

* optimize Itcwb between green and student

* Formated code used by Itcwb with Astylert.bat

* Change color_match - thanks to Lawrence37

* Remove wrong text

rtgui/tonecurve.h

@@ -48,6 +48,7 @@ protected:
     sigc::connection    enaconn;
     bool                lasthrEnabled;
     Adjuster* hlbl;
+    Adjuster* hlth;
 
     Gtk::Box* abox;
     Gtk::Box* hlrbox;
@@ -82,6 +83,7 @@ protected:
     rtengine::ProcEvent EvHistMatchingBatch;
     rtengine::ProcEvent EvClampOOG;
     rtengine::ProcEvent EvHLbl;
+    rtengine::ProcEvent EvHLth;
 
     // used temporarily in eventing
     double nextExpcomp;