This PR progressively introduces fieldMetadataItemUsedInDropdown instead
of filterDefinitionUsedInDropdown where most easy to replace.
This allows to use `fieldMetadataItemUsedInDropdown.id` instead of
`filterDefinition.fieldMetadataId`, which is one easy dependency to
remove on filter definition.
We still derive filterDefinition instead of fully replacing it, because
it will be easier to remove RecordFilterDefinition usage in a bottom-up
approach instead.
In multiple components of the filter dropdown, we try to replace
filterDefinition by fieldMetadataItem derivation : Icon, label, id,
type, etc.
We also introduce the usage of subFieldNameUsedInDropdown instead of
storing it dynamically on filterDefinition, for handling filtering on
composite sub fields.
The method `formatFieldMetadataItemAsFilterDefinition()` that is used to
derive filterDefinition from fieldMetadataItem is what was being used
originally to create the availableFilterDefinition state. (That is
already removed)
Fixed associated unit tests accordingly.
049a0118aa