Made basic call nodes unsequenced, since they are like gdscript and most return const.

modules/visual_script/visual_script_func_nodes.cpp

@@ -12,7 +12,7 @@
 
 int VisualScriptFunctionCall::get_output_sequence_port_count() const {
 
-	if (method_cache.flags&METHOD_FLAG_CONST)
+	if (method_cache.flags&METHOD_FLAG_CONST || call_mode==CALL_MODE_BASIC_TYPE)
 		return 0;
 	else
 		return 1;
@@ -20,7 +20,7 @@ int VisualScriptFunctionCall::get_output_sequence_port_count() const {
 
 bool VisualScriptFunctionCall::has_input_sequence_port() const{
 
-	if (method_cache.flags&METHOD_FLAG_CONST)
+	if (method_cache.flags&METHOD_FLAG_CONST || call_mode==CALL_MODE_BASIC_TYPE)
 		return false;
 	else
 		return true;