feat(colorlcd): Special Function to set main screen (#2160)

* Special Function to set main screen (#2135)

* chore: Add new SF to LUA constants list

* Companion support

* Formatting

* get rid of magic number

* Add function to get the number of custom screens

* Change screen numbering from 0-based to 1-based.

* Allow SetScreen custom function for Color LCD only

* add range protection

* cleanup

* yet, range protection once again

* fix: paintSpecialFunctionLine can't alter SF param data

* Fix screen initialization in companion

* move screen switching to the UI

* Trigger view change from guiMain()

* chore: Change "SET" to "Set" for consistency

* fix: Somehow missed extra comma in `TW`

Co-authored-by: Peter Feerick <peter.feerick@gmail.com>
Co-authored-by: elecpower <neilh713@tpg.com.au>
Co-authored-by: Raphael Coeffic <raphael.coeffic@frafos.com>

radio/src/storage/yaml/yaml_datastructs_nv14.cpp

@@ -84,6 +84,7 @@ const struct YamlIdStr enum_Functions[] = {
   {  FUNC_SCREENSHOT, "SCREENSHOT"  },
   {  FUNC_RACING_MODE, "RACING_MODE"  },
   {  FUNC_DISABLE_TOUCH, "DISABLE_TOUCH"  },
+  {  FUNC_SET_SCREEN, "SET_SCREEN"  },
   {  0, NULL  }
 };
 const struct YamlIdStr enum_ZoneOptionValueEnum[] = {