Merge pull request #64717 from Chaosus/gds_fix_param_completion

modules/gdscript/gdscript_parser.cpp

@@ -2937,6 +2937,10 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_call(ExpressionNode *p_pre
 			push_error(R"(Expected expression as the function argument.)");
 		} else {
 			call->arguments.push_back(argument);
+
+			if (argument->type == Node::IDENTIFIER && current.cursor_place == GDScriptTokenizer::CURSOR_BEGINNING) {
+				completion_context.type = COMPLETION_IDENTIFIER;
+			}
 		}
 		ct = COMPLETION_CALL_ARGUMENTS;
 	} while (match(GDScriptTokenizer::Token::COMMA));