The action "Technical Translations" was not retrieving the correct translations.
Since 9.0, the translations names no longer contains the name of the model (in
the form "field:<model>,<name>") but are records on ir.model.fields (in the form
"model:ir.model.fields,field_description:<model>_<name>").
The translations of type selection are style a different type (type 'selection').
Create a method that will find the linked fields and retrieve the correct
translations.
Fixes tw:reis_pt/status/687419541199187969