Establish at least 8 issues for specific groups of problems in converted linkml

[yarikoptic]

I see ATM

❯ git grep -h -A1 'pydantic2linkml:' dandischema/models.yaml | sed -e 's,^ *,,g' | tr '\n' ' ' | sed -e 's,--,\n,g' | sed -e 's,schemaKey field in the .*,schemaKey field,g' -e 's,fter validation function.*,fter validation function,g' -e 's,Impossible to generate slot usage entry for the.*,Impossible to generate slot usage entry for the,g' | sort | uniq -c | sort -n | nl
     1	      1 - 'pydantic2linkml: Unable to express the default factory, <function CommonModel.<lambda> at 0xADDRESS>, in LinkML.' - 'pydantic2linkml: Unable to translate the logic contained in the after validation function
     2	      2  - 'pydantic2linkml: LinkML does not have support for `''+inf''`, `''-inf''`, and `''NaN''` values. Support for these values is not translated.' 
     3	      2  - 'pydantic2linkml: Warning: LinkML does not support multiple inheritance. Publishable is not specified as a parent, through the `is_a` meta slot, but as a mixin.' 
     4	      4  - 'pydantic2linkml: LinkML does not have direct support for max length constraints. The max length constraint of 150 is incorporated into the pattern of the 
     5	      7  - 'pydantic2linkml: Unable to express the microseconds precision constraint of truncate. LinkML lacks direct support for this restriction.' 
     6	     11  - 'pydantic2linkml: Unable to translate the logic contained in the after validation function
     7	     17  - 'pydantic2linkml: Unable to translate the logic contained in the wrap validation function, <function _BaseUrl.__get_pydantic_core_schema__.<locals>.wrap_val 
     8	     54  - 'pydantic2linkml: Impossible to generate slot usage entry for the

and we need an issue per each like

• Translate the dict Pydantic core schema type pydantic2linkml#46

and to be added to https://github.com/orgs/dandi/projects/27/views/1 .