Issue #2923701 by AdamPS, jonathanshaw, Pancho, Jo Fitzgerald, alexpott,...

Issue #2923701 by AdamPS, jonathanshaw, Pancho, Jo Fitzgerald, alexpott, Berdir, plach, larowlan, Samvel, lauriii, eelkeblok, imclean, oriol_e9g: Mechanism to disable preprocessing of node base fields so they can be configured via the field UI