Clarified context passing for queries when used from server

[Martinsos]

When calling Operations from the server (instead of the client), you need to pass the information about the authenticated user, if Operations expects it. On client that happens automatically, on server you have to specify it.

You can do that by passing context object, and specifying user field in it. That is what we say in the docs.

However, what was not clear to me (when I was answering a user and reading our docs to figure it out), was what happens with the rest of the context object. If we pass our own context, what about context.entities if Operation needs that -> will that be automatically set for us, so "merged" into the context that we provide, or are we then expected to provide that also, since we provided our own context and therefore took over the "control" of it in our hands?

Turns out, the context we pass will be merged with the "wasp prepared" context, so it is enough to just specify the user and not entities or anything else.

So what I did was add a single sentence to the docs that explains that the rest of the context will be provided automatically.

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Pull Request Overview

This PR clarifies the documentation for server-side query operations by explaining how the context object is handled when calling queries from the server. The change addresses confusion about whether developers need to provide the entire context object or just the user field.

• Added clarification that only the user field needs to be specified in the context object
• Explained that other context parts like Entities are automatically injected

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[infomiho]

Good addition!