Implement FilterableValue for Option<T>

[clockwork-labs-bot]

This issue tracks reimplementing the work from stale PR #4013, which has been closed because it is too far out of date to merge directly.

Original pull request

• PR Implemented FilterableValue for Option<FilterableValue> #4013: Implemented FilterableValue for Option<FilterableValue>
• Original author: @egormanga

What the original PR was trying to do

Description of Changes * Resolves 3992 API and ABI breaking changes None. Expected complexity level and risk 1. Testing - [x] Manual testing - [ ] Unit tests

Closure context

• I'm closing this one to be reimplemented as this is not a complete implementation.

Reimplementation notes

• Reimplement this work on top of current master in a new PR.
• Keep the original PR linked as historical context and as a source of useful implementation ideas where still relevant.

[Nxllpointer]

+1