Fix autocompletion after DOLLAR token

modules/gdscript/gdscript_parser.cpp

@@ -3121,6 +3121,9 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_call(ExpressionNode *p_pre
 }
 
 GDScriptParser::ExpressionNode *GDScriptParser::parse_get_node(ExpressionNode *p_previous_operand, bool p_can_assign) {
+	// We want code completion after a DOLLAR even if the current code is invalid.
+	make_completion_context(COMPLETION_GET_NODE, nullptr, -1, true);
+
 	if (!current.is_node_name() && !check(GDScriptTokenizer::Token::LITERAL) && !check(GDScriptTokenizer::Token::SLASH) && !check(GDScriptTokenizer::Token::PERCENT)) {
 		push_error(vformat(R"(Expected node path as string or identifier after "%s".)", previous.get_name()));
 		return nullptr;
@@ -3175,7 +3178,7 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_get_node(ExpressionNode *p
 			path_state = PATH_STATE_SLASH;
 		}
 
-		make_completion_context(COMPLETION_GET_NODE, get_node, context_argument++);
+		make_completion_context(COMPLETION_GET_NODE, get_node, context_argument++, true);
 
 		if (match(GDScriptTokenizer::Token::LITERAL)) {
 			if (previous.literal.get_type() != Variant::STRING) {