* Updates the property service and store method signatures
Getters can now receive a `groupID` that narrows down the query if
present, so it's not necessary to check for the group ID on the
returning values from the outside layers.
The Search methods now receive the `groupID` and the `targetID`
explicitly as parameters, incentivizing the use of the indexes that
the underlying tables have on the searches.
* Fix tests
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Co-authored-by: Miguel de la Cruz <miguel@ctrlz.es>
Co-authored-by: Mattermost Build <build@mattermost.com>
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