Follow-up from "WIP: Resolve "Remove duplicated config code for filtered search dropdowns""

The following discussions from !11512 (merged) should be addressed:

• @ClemMakesApps started a discussion:

  Need to refactor the parameters into an object in a future ~"technical debt" MR

• @ClemMakesApps started a discussion:

  Need to refactor the parameters into an object in a future ~"technical debt" MR

• @ClemMakesApps started a discussion:

  Need to refactor the DropdownUser parameters into an object in a future ~"technical debt" MR