Deduplicate fetches with same params

[Akryum]

Clear and concise description of the problem

If two find* or query* methods are called simultaneously or before the other has resolved, they will trigger two calls to the corresponding plugin hooks. This can lead to unnecessary requests.

Suggested solution

rstore will deduplicate fetches

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that requests the same feature to avoid creating a duplicate.

[hanneskuettner]

It would be amazing if the same promise would be returned for the second request that is made with the same params.