Support ignore_dynamic_beyond_limit for all fields using synthetic source

[salvatore-campagna]

Description

When index requests exceed the ignore_dynamic_beyond_limit setting new fields are not dynamically mapped and new fields will be ignored. As a result, when reconstructing the original object, we are not able to reconstruct the field from doc values as no doc value fields are written for fields that are ignored. Here we need to apply a similar approach to what we do when supporting ignore_malformed and ingore_above, storing the field value "as-is" in a hidden stored field.

Notice that this is a bit kore complicated then the other two cases because in this case the field is not mapped.

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)

[kkrik-es]

I think #107567 fixed this.