GDScript: Check get_node() shorthand in static functions

(cherry picked from commit 0f27c4ad80)

modules/gdscript/gdscript_parser.cpp

@@ -3033,10 +3033,8 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_get_node(ExpressionNode *p
 	if (previous.type == GDScriptTokenizer::Token::DOLLAR) {
 		// Detect initial slash, which will be handled in the loop if it matches.
 		match(GDScriptTokenizer::Token::SLASH);
-#ifdef DEBUG_ENABLED
 	} else {
 		get_node->use_dollar = false;
-#endif
 	}
 
 	int context_argument = 0;