fix(color): Lua LVGL line color not set correctly when 'pts' property is a function (#6270)

radio/src/lua/lua_lvgl_widget.cpp

@@ -800,11 +800,16 @@ bool LvglWidgetLine::callRefs(lua_State *L)
   int t = lua_gettop(L);
   if (getPointsFunction != LUA_REFNIL) {
     if (pcallFunc(L, getPointsFunction, 1)) {
+      bool firstPts = (pts == nullptr);
       uint32_t h = getPts(L);
       if (h != ptsHash) {
         ptsHash = h;
         setLine();
       }
+      if (firstPts) {
+        setColor(color.flags);
+        setOpacity(opacity.value);
+      }
       lua_settop(L, t);
     } else {
       return false;