Selective Editing - Avoid negatives values - see on Pixls.us (#7319)

* Avoid negatives values input SE with CBDL Dehaze and SE Settings

* Change appimage and windows yml with Rawtherapee:avoidneg

* Change Rawtherapee by Beep6581 for yml windows

* Change Rawtherapee by Beep6581 in Appimage yml

* Limits negatives values control to cbdl before

* Changes suggested by Lawrence37

* Change in code, labels and history Avoid zero and negative values to Pre-filter zero and negative values

rtgui/paramsedited.h

@@ -458,6 +458,7 @@ public:
         bool transitgrad;
         bool hishow;
         bool activ;
+        bool avoidneg;
         bool blwh;
         bool recurs;
         bool laplac;