feat: search identities by dashboard alias

[matthewelwell]

Changes

Adds functionality to search edge identities by a dashboard alias.

Note: requires the relevant index to be created on the flagsmith_identities table in dynamodb.

How did you test this code?

I have manually tested this PR by running the API pointed to staging DB and dynamo tables, running the FE and testing searching for dashboard_alias:....

I have also added some new tests to the python unit tests for specific use cases.

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Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-e2e:pr-4569	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api-test:pr-4569	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-4569	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-4569	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-4569	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-4569	Finished ✅	Results ✅

[zachaysan]

Looks great 🥇

[kyle-ssg]

@matthewelwell Is there a way to make this an or filter (maybe it is and I'm missing how it works)? The reason I ask is that it'd be super clunky to have to specify whether we're searching by id or alias especially in the case where I only have a few aliases and the rest of the time I search by id.

[matthewelwell]

@matthewelwell Is there a way to make this an or filter (maybe it is and I'm missing how it works)? The reason I ask is that it'd be super clunky to have to specify whether we're searching by id or alias especially in the case where I only have a few aliases and the rest of the time I search by id.

We'll, yes, technically I could. But I think the UX should force the user to choose what they're searching on. The two things will always be very different fields anyway, so I'm not sure what your concern is?

[kyle-ssg]

I think it's just annoying/clunky to have to select what to search on vs just typing a value, I don't think they should really have to tell flagsmith they are wanting to search for an alias vs id especially given that they'd have very different values.

I.e. if I type kyle id always want to be searching for an alias, if I paste an id I'd always want to search by id. In both those cases I think I'd often see no results then realise I have to change a filter.

[matthewelwell]

@kyle-ssg as discussed on slack, adding search across both entities is technically challenging on the API (since it requires sending 2 separate search requests to dynamo). Let's implement the selector for now and add this as an improvement.