feat(bw): add 'Set Screen' special function to B&W radios (#5589)

radio/src/lua/api_general.cpp

@@ -3102,9 +3102,9 @@ LROT_BEGIN(etxcst, NULL, 0)
 #if defined(FUNCTION_SWITCHES)
   LROT_NUMENTRY( FUNC_PUSH_CUST_SWITCH, FUNC_PUSH_CUST_SWITCH )
 #endif
+  LROT_NUMENTRY( FUNC_SET_SCREEN, FUNC_SET_SCREEN )
 #if defined(COLORLCD)
   LROT_NUMENTRY( FUNC_DISABLE_TOUCH, FUNC_DISABLE_TOUCH )
-  LROT_NUMENTRY( FUNC_SET_SCREEN, FUNC_SET_SCREEN )
 
   LROT_NUMENTRY( SHADOWED, SHADOWED )
   // ZoneType::Integer == INPUT_TYPE_VALUE - use VALUE in widget options

radio/src/lua/interface.cpp

@@ -695,7 +695,7 @@ bool isTelemetryScriptAvailable()
 #if defined(PCBTARANIS)
   for (int i = 0; i < luaScriptsCount; i++) {
     ScriptInternalData & sid = scriptInternalData[i];
-    if (sid.reference == SCRIPT_TELEMETRY_FIRST + s_frsky_view) {
+    if (sid.reference == SCRIPT_TELEMETRY_FIRST + selectedTelemView) {
       return true;
     }
   }
@@ -1040,7 +1040,7 @@ static bool resumeLua(bool init, bool allowLcdUsage)
       if (allowLcdUsage) {
 #if defined(PCBTARANIS)
         if ((menuHandlers[menuLevel] == menuViewTelemetry &&
-             ref == SCRIPT_TELEMETRY_FIRST + s_frsky_view) ||
+             ref == SCRIPT_TELEMETRY_FIRST + selectedTelemView) ||
             ref == SCRIPT_STANDALONE) {
 #else
         if (ref == SCRIPT_STANDALONE) {