protobuf: always_print_primitive_fields

[xiota]

always_print_primitive_fields has been removed in protobuf 27.1. Possibly should be replaced with always_print_fields_with_no_presence.

ACross/src/models/serializetools.cpp

Line 593 in e229351

options.always_print_primitive_fields = false;

Relevant commits:

• protocolbuffers/protobuf@2699579 – Although commit message references always_print_without_presence_fields, the diff shows always_print_fields_with_no_presence.

• protocolbuffers/protobuf@671b61b